Vocabulary
BODC parameter semantic model chemical substances
| URI | http://vocab.nerc.ac.uk/collection/S27/current/ |
|---|---|
| Description | Terms for chemicals whose quantity in a matrix is determined to generate measurements in the BODC parameter usage vocabulary semantic model. Includes elements, compounds, isotopes and mixtures. |
| Creator | British Oceanographic Data Centre |
| Modified | 2024-10-19 |
| Version Info | 180 |
| Identifier | S27 |
| Register Manager | British Oceanographic Data Centre |
| Register Owner | British Oceanographic Data Centre |
| See Also | https://github.com/nvs-vocabs/S27 |
| License | https://creativecommons.org/licenses/by/4.0/ |
Alternate Formats
Other formats for this page:
RDF/XML Turtle JSON-LDAlternate Profiles
Other views of this page:
Alternate Profiles ?Different Media Types (HTML, text, RDF, JSON etc.) and different information model views, profiles, are available for this resource.
Members
| ID ↑ | Preferred Label ↑ | Definition ↑ | Date ↑ |
|---|---|---|---|
| CS003258 | (1-methylethyl)benzene | Unavailable | 2017-06-30 |
| CS004045 | (2,4-dichlorophenyl)urea | One of the main metabolites along with DCPMU and 3,4-DCA of the herbicide diuron. | 2021-08-25 |
| CS003603 | (22E)-23,24-dimethyl-5alpha cholest-22-en-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS001509 | (22E)-24-ergosta-5,22-dien-3beta-ol | Unavailable | 2015-09-03 |
| CS003599 | (22E)-24-methyl-5alpha-cholest-22-en-3beta-ol | 28-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003586 | (22E)-24-nor-5alpha-cholest-22-en-3beta-ol | 26-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003587 | (22E)-24-norcholesta-5,22-dien-3beta-ol | 26-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003594 | (22E)-5alpha-cholest-22-en-3beta-ol | 27-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003600 | (22E)-campesta-5,22-dien-3beta-ol | 28-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003595 | (22E)-cholesta-5,22-dien-3beta-ol | 27-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS000319 | (22E)-stigmasta-5,22-dien-3beta-ol | A plant sterol (3beta-sterol) that consists of 3beta-hydroxystigmastane having double bonds at the 5,6- and 22,23-positions. | 2015-09-03 |
| CS003588 | (22Z)-24-norcholesta-5,22-dien-3beta-ol | 26-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003596 | (22Z)-5alpha-cholest-22-en-3beta-ol | 27-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003597 | (22Z)-cholesta-5,22-dien-3beta-ol | 27-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003604 | (24E)-poriferasta-5,22-dien-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003610 | (24E)-propylidenecholest-5-en-3beta-ol | 30-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003605 | (24E)-stigmasta-5,22-dien-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003606 | (24E)-stigmasta-5,24(24')-dien-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003609 | (24Z)-stigmasta-5,24(24')-dien-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003992 | (4-nonylphenoxy)acetic acid | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS003717 | 1,1'-biphenyl, 3,4,4'-trichloro- | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS003251 | 1,1,1,2-tetrachloroethane | Unavailable | 2017-06-29 |
| CS003753 | 1,1,1-trichloroacetone | Organic compound with the formula C3H3Cl3O. | 2019-02-25 |
| CS003246 | 1,1,1-trichloroethane | Unavailable | 2017-06-29 |
| CS003232 | 1,1,2,2-tetrachloroethane | Unavailable | 2017-06-29 |
| CS002935 | 1,1,2-trichloro-1,2,2-trifluoroethane | Unavailable | 2016-05-02 |
| CS003233 | 1,1,2-trichloroethane | Unavailable | 2017-06-29 |
| CS003226 | 1,1,2-trichloroethene | A halocarbon commonly used as an industrial solvent. | 2019-03-11 |
| CS003755 | 1,1-dichloroacetone | Organic compound with the formula C3H4Cl2O. | 2019-02-25 |
| CS000942 | 1,1-dichloroethane | Unavailable | 2015-09-03 |
| CS003250 | 1,1-dichloroethene | Unavailable | 2017-06-29 |
| CS003643 | 1,2,3,4,5-pentabromo-6-phenoxybenzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003677 | 1,2,3,4,6,7,8,9-octachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003746 | 1,2,3,4,6,7,8,9-octachlorodibenzofuran | Unavailable | 2018-12-17 |
| CS003679 | 1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003678 | 1,2,3,4,6,7,8-heptachlorodibenzofuran | A dioxin. | 2018-12-18 |
| CS003999 | 1,2,3,4,6,7-hexachloronaphthalene | An organochlorine compound. | 2021-08-25 |
| CS003680 | 1,2,3,4,7,8,9-heptachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS003698 | 1,2,3,4,7,8-hexachloro-dibenzofuran + 1,2,3,4,7,9-hexachloro-dibenzofuran | A mixture of two dioxin congeners. | 2018-05-24 |
| CS003682 | 1,2,3,4,7,8-hexachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003681 | 1,2,3,4,7,8-hexachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS003896 | 1,2,3,4-tetrachlorobenzene | One of 3 possible isomers of tetrachlorobenzene. | 2020-07-06 |
| CS004442 | 1,2,3,5-tetrachlorobenzene | A tetrachlorobenzene with molecular formula C6H2Cl4. | 2022-06-23 |
| CS003872 | 1,2,3,5-tetrachlorobenzene+1,2,4,5-tetrachlorobenzene | A mixture of two of the three possible isomers of tetrachlorobenzene. | 2020-07-06 |
| CS003684 | 1,2,3,6,7,8-hexachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003683 | 1,2,3,6,7,8-hexachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS003686 | 1,2,3,7,8,9-hexachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003685 | 1,2,3,7,8,9-hexachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS003688 | 1,2,3,7,8-pentachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003687 | 1,2,3,7,8-pentachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS004434 | 1,2,3,7,8-pentachlorodibenzofuran+2,3,4,7,8-pentachlorodibenzofuran | A mixture of two pentachlorodibenzofuran isomers. | 2022-06-23 |
| CS004377 | 1,2,3,7,8/1,2,3,4,8-pentachlorodibenzofuran DEPRECATED | Deprecated on 27-Jun-2022 because the parameter concept was identical to an existing one. A mixture of two pentachlorodibenzofuran isomers (1,2,3,7,8-pcdbf and 1,2,3,4,8-pcdbf). | 2022-06-27 |
| CS003644 | 1,2,3-tribromo-5-(3,4-dibromophenoxy)benzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS000949 | 1,2,3-trichlorobenzene | One of 3 isomers of trichlorobenzene. | 2020-07-03 |
| CS003758 | 1,2,3-trichloropropane | Organic compound with the formula C3H5Cl3. | 2019-02-25 |
| CS004344 | 1,2,3-trimethylbenzene | One of three isomers of trimethylbenzene, an aromatic hydrocarbon. | 2021-08-25 |
| CS004490 | 1,2,3-trimethylnaphthalene | An isomer of trimethylnapthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 2 and 3. | 2024-02-16 |
| CS004176 | 1,2,4,5-tetrachlorobenzene | An organochloride compound (chlorobenzene) with formula C6H2Cl4 carrying the four chloro groups at positions 1, 2, 4, and 5. | 2021-08-25 |
| CS000956 | 1,2,4-trichlorobenzene | One of 3 isomers of trichlorobenzene. | 2020-07-03 |
| CS003329 | 1,2,4-trimethylbenzene | Unavailable | 2017-07-06 |
| CS002517 | 1,2,5,6,9,10-hexabromocyclododecane | Primarily used as a flame retardant, the commercial mixture of HBCD contains mainly 3 stereo-isomers: alpha, beta and gamma. Producers and importers of this substance have provided information under two different names; hexabromocyclododecane (EC Number 247-148-4, CAS number 25637- 99-4) and 1,2,5,6,9,10-hexabromocyclododecane (EC Number 221-695-9, CAS number 3194-55-6) - source: UNEP/FAO/RC/CRC.13/INF/16, 2017. | 2020-06-30 |
| CS004492 | 1,2,5,6-tetramethylnaphthalene | An isomer of tetramethylnapthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 2, 5 and 6. | 2024-02-26 |
| CS004504 | 1,2,5-trimethylphenanthrene+1,2,7-trimethylphenanthrene | A mixture (or sum) of the specified trimethylphenanthrenes (polycylic aromatic hydrocarbons). | 2024-02-16 |
| CS004506 | 1,2,6,9-tetramethylphenanthrene | An isomer of tetramethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 2, 6 and 9. | 2024-02-16 |
| CS004503 | 1,2,6-trimethylphenanthrene | An isomer of trimethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 2 and 6. | 2024-02-16 |
| CS004505 | 1,2,7-trimethylphenanthrene | An isomer of trimethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 2 and 7. | 2024-02-16 |
| CS004450 | 1,2,8-trimethyl-phenanthrene | A polycyclic aromatic hydrocarbon with molecular formula C17H16. | 2022-06-23 |
| CS003261 | 1,2-butadiene | Unavailable | 2017-06-29 |
| CS003752 | 1,2-dibromo-1-chloropropane | Organic compound with the formula C3H5Cl3. | 2019-02-25 |
| CS003757 | 1,2-dibromo-3-chloropropane | Organic compound with the formula C3H5Br2Cl. | 2019-02-25 |
| CS003330 | 1,2-dibromoethane | Unavailable | 2017-07-06 |
| CS003235 | 1,2-dichlorobenzene | Unavailable | 2017-06-29 |
| CS003247 | 1,2-dichloroethane | Unavailable | 2017-06-29 |
| CS004143 | 1,2-dichloroethene | An organochloride with the formula C2H2Cl2 as a undifferentiated mixture of the two possible isomers (cis- and trans-). | 2021-08-25 |
| CS001516 | 1,2-dichloropropane | A chlorocarbon with formula C3H6Cl2 produced as a byproduct in the production of the organochlorine epichlorohydrin, perchloroethylene and other chlorinated chemicals [Wikipedia, 17/08/2021] | 2021-08-17 |
| CS000963 | 1,2-dimethylbenzene | A monocyclic aromatic hydrocarbon with formula C6H4(CH3)2. | 2020-06-30 |
| CS003904 | 1,2-dimethylnaphthalene | An isomer of dimethylnaphthalene carrying methyl groups at positions 1 and 2. | 2020-10-22 |
| CS004501 | 1,2-dimethylphenanthrene | An isomer of dimethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1 and 2. | 2024-02-16 |
| CS000970 | 1,3,5-trichlorobenzene | One of 3 isomers of trichlorobenzene. | 2020-07-03 |
| CS003331 | 1,3,5-trimethylbenzene | Unavailable | 2017-07-06 |
| CS004489 | 1,3,7-trimethylnaphthalene | An isomer of trimethylnapthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 3 and 7. | 2024-02-16 |
| CS003227 | 1,3-butadiene | Unavailable | 2017-06-29 |
| CS003639 | 1,3-dibromo-2-phenoxybenzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003249 | 1,3-dichlorobenzene | Unavailable | 2017-06-29 |
| CS004144 | 1,3-dichloropropane | An organochlorine compound (chloroalkane) with formula C3H6Cl2 used as a nematicide [ChEBI, 17 August 2021]. | 2021-08-25 |
| CS004169 | 1,3-dimethylbenzene | A derivative of benzene. | 2021-08-25 |
| CS003482 | 1,3-dimethylbenzene+1,4-dimethylbenzene | Mixture of two methyl benzene isomers: 1,3-xylene or m-xylene and 1,4-xylene or p-xylene. | 2020-06-30 |
| CS004485 | 1,3-dimethylnaphthalene | An isomer of dimethylnaphthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1 and 3. | 2024-02-16 |
| CS004491 | 1,4,6,7-tetramethylnaphthalene | An isomer of tetramethylnapthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1, 4, 6 and 7. | 2024-02-26 |
| CS003234 | 1,4-dichlorobenzene | Unavailable | 2017-06-29 |
| CS004343 | 1,4-dimethylbenzene | A derivative of benzene. | 2021-08-25 |
| CS004487 | 1,4-dimethylnaphthalene | An isomer of dimethylnaphthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1 and 4. | 2024-02-16 |
| CS004499 | 1,5-dimethylphenanthrene | An isomer of dimethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1 and 5. | 2024-02-16 |
| CS004498 | 1,5-dimethylphenanthrene+1,7-dimethylphenanthrene | A mixture (or sum) of the specified dimethylphenanthrenes (polycylic aromatic hydrocarbons). | 2024-02-16 |
| CS001523 | 1,6-dimethylnaphthalene | Unavailable | 2015-09-03 |
| CS004500 | 1,7-dimethylphenanthrene | An isomer of dimethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 1 and 7. | 2024-02-16 |
| CS003635 | 1-bromo-2-phenoxybenzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003640 | 1-bromo-3-(4-bromophenoxy)benzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003636 | 1-bromo-3-phenoxybenzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003641 | 1-bromo-4-(4-bromophenoxy)benzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003637 | 1-bromo-4-phenoxybenzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003228 | 1-butene | Unavailable | 2017-06-29 |
| CS001964 | 1-ethylnaphthalene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003229 | 1-hexene | Unavailable | 2017-06-29 |
| CS003991 | 1-hydroxy-ibuprofen | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004049 | 1-hydroxypyrene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS003219 | 1-iodopropane | Unavailable | 2017-06-30 |
| CS000977 | 1-methylchrysene | Unavailable | 2015-09-03 |
| CS002062 | 1-methylfluoranthene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004493 | 1-methylfluorene | Derived from fluorene, a naturally occurring hydrocarbon found in coal tar, with molecular formula C14H12. | 2024-02-16 |
| CS001971 | 1-methylnaphthalene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS000984 | 1-methylphenanthrene | Unavailable | 2015-09-03 |
| CS002076 | 1-methylpyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004002 | 1-nitropyrene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS003257 | 1-octadecene | Unavailable | 2017-06-29 |
| CS003220 | 1-pentene | Unavailable | 2017-06-29 |
| CS004457 | 1-phenanthrol | A phenanthrol and a metabolite of phenanthrene that can be detected in urine of persons exposed to Polycyclic aromatic hydrocarbons (PAHs). It can be used as a marker for PAH pollution measured in marine fish bile. | 2022-10-18 |
| CS003332 | 1-phenylbutane | Unavailable | 2017-07-06 |
| CS003570 | 10-methyl-dodecanoate (anteiso) | 12-carbon unsaturated fatty acid methyl ester with methyl group on the carbon before the penultimate catbon atom | 2017-08-09 |
| CS002914 | 10-methyldodecanoic acid | Unavailable | 2016-05-02 |
| CS003569 | 11-methyl-dodecanoate (iso) | 12-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS003237 | 11-methyl-tridecanoate | Unavailable | 2017-06-30 |
| CS003572 | 11-methyl-tridecanoate (anteiso) | 13-carbon unsaturated fatty acid methyl ester with methyl group on the carbon before the penultimate catbon atom | 2017-08-09 |
| CS002971 | 11-methyldodecanoic acid | Unavailable | 2016-05-02 |
| CS002947 | 11-methyltridecanoic acid | Unavailable | 2016-05-02 |
| CS003516 | 12-hydroxymethylhexacosanoate | The methyl ester of the 26-carbon saturated fatty acid hexacosanoic acid with a hydroxyl group attached at position 12. | 2017-08-09 |
| CS003517 | 12-hydroxymethyloctacosanoate | The methyl ester of the 28-carbon saturated fatty acid octacosanoic acid with a hydroxyl group attached at position 12. | 2017-08-09 |
| CS003239 | 12-methyl-tetradecanoate | Unavailable | 2017-06-30 |
| CS003574 | 12-methyl-tetradecanoate (anteiso) | 14-carbon unsaturated fatty acid methyl ester with methyl group on the carbon before the penultimate catbon atom | 2017-08-09 |
| CS003236 | 12-methyl-tridecanoate | Unavailable | 2017-06-30 |
| CS003571 | 12-methyl-tridecanoate (iso) | 13-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS002948 | 12-methyltetradecanoic acid | Unavailable | 2016-05-02 |
| CS002988 | 12-methyltridecanoic acid | Unavailable | 2016-05-02 |
| CS004016 | 13,19-didesmethyl spirolide C | A biotoxin. | 2021-08-25 |
| CS004008 | 13-desmethyl spirolide c | A biotoxin. | 2021-08-25 |
| CS004009 | 13-desmethyl spirolide d | A biotoxin. | 2021-08-25 |
| CS003241 | 13-methyl-pentadecanoate | Unavailable | 2017-06-30 |
| CS003576 | 13-methyl-pentadecanoate (anteiso) | 15-carbon unsaturated fatty acid methyl ester with methyl group on the carbon before the penultimate catbon atom | 2017-08-09 |
| CS003238 | 13-methyl-tetradecanoate | Unavailable | 2017-06-30 |
| CS003573 | 13-methyl-tetradecanoate (iso) | 14-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS002989 | 13-methyltetradecanoic acid | Unavailable | 2016-05-02 |
| CS003579 | 14-methyl-hexadecanoate (anteiso) | 16-carbon unsaturated fatty acid methyl ester with methyl group on the carbon before the penultimate catbon atom | 2017-08-09 |
| CS003577 | 14-methyl-hexadecanoate (iso) | 16-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS003240 | 14-methyl-pentadecanoate | Unavailable | 2017-06-30 |
| CS003575 | 14-methyl-pentadecanoate (iso) | 15-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS002945 | 14-methylhexadecanoic acid | Unavailable | 2016-05-02 |
| CS002949 | 14-methylpentadecanoic acid | Unavailable | 2016-05-02 |
| CS003581 | 15-methyl-heptadecanoate (anteiso) | 17-carbon unsaturated fatty acid methyl ester with methyl group on the carbon before the penultimate catbon atom | 2017-08-09 |
| CS003242 | 15-methyl-hexadecanoate | Unavailable | 2017-06-30 |
| CS003578 | 15-methyl-hexadecanoate (iso) | 16-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS003580 | 16-methyl-heptadecanoate (iso) | 17-carbon unsaturated fatty acid methyl ester with methyl group on penultimate carbon atom | 2017-08-09 |
| CS003244 | 16-methyl-octadecanoate | Unavailable | 2017-06-29 |
| CS003243 | 17-methyl-octadecanoate | Unavailable | 2017-06-30 |
| CS003010 | 17-methyloctadecanoic acid | Unavailable | 2016-05-02 |
| CS003763 | 17alpha-estradiol | The 17alpha stereoisomer of estradiol, an oestrogen steroid hormone with hydroxy groups at positions 3 and 17. | 2019-03-12 |
| CS003472 | 17beta(H),21beta(H)-bis homohopane methyl ester | Methyl ester based on the 5-ring terpene hopane. Biomarker. | 2017-08-09 |
| CS003541 | 17beta(H),21beta(H)-bis homohopanol | Alcohol based on the 5-ring terpene hopane. Biomarker. | 2017-08-09 |
| CS003542 | 17beta(H),21beta(H)-homohopanol | Alcohol based on the 5-ring terpene hopane. Biomarker. | 2017-08-09 |
| CS003543 | 17beta(H),21beta(H)-hopanol | Alcohol based on the 5-ring terpene hopane. Biomarker. | 2017-08-09 |
| CS003245 | 17beta-estradiol | A naturally occurring steroid oestrogen hormone also used in medication. Its formula is C18H24O2. | 2019-03-11 |
| CS004463 | 19'-butanoyloxyfucoxanthin | A yellow pigment with chemical formula C46H64O8 belonging to the xanthophyll division of the carotenoid group. | 2022-10-20 |
| CS004465 | 19'-hexanoyloxy-4-ketofucoxanthin | A yellow pigment with chemical formula C48H66O9 belonging to the xanthophyll division of the carotenoid group. | 2022-10-20 |
| CS002972 | 19'-hexanoyloxyfucoxanthin | Unavailable | 2016-05-02 |
| CS002970 | 19-methyleicosanoic acid | Unavailable | 2016-05-02 |
| CS003726 | 2',3,4-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS003730 | 2,2',3',4'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS002819 | 2,2',3',4'-tetrachlorobiphenyl plus 2,3,4',6-tetrachlorobiphenyl | A mixture of two of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2016-02-26 |
| CS001628 | 2,2',3,3',4',5,5',6-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003718 | 2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS003654 | 2,2',3,3',4,4',5,5',6-nonabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2019-02-06 |
| CS001894 | 2,2',3,3',4,4',5,5',6-nonachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001635 | 2,2',3,3',4,4',5,5'-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003651 | 2,2',3,3',4,4',5,6'-octabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003655 | 2,2',3,3',4,4',5,6,6'-nonabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS004512 | 2,2',3,3',4,4',5,6-octabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2024-02-16 |
| CS001642 | 2,2',3,3',4,4',5-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003652 | 2,2',3,3',4,4',6,6'-octabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2019-02-06 |
| CS001649 | 2,2',3,3',4,4'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001901 | 2,2',3,3',4,5',6'-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001656 | 2,2',3,3',4,5',6,6'-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003719 | 2,2',3,3',4,5,5',6,6'-nonachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS001663 | 2,2',3,3',4,5,6'-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003720 | 2,2',3,3',4,5-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS001670 | 2,2',3,3',4,6'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001677 | 2,2',3,3',5,5',6,6'-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001684 | 2,2',3,4',5',6-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001691 | 2,2',3,4',5'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2024-06-12 |
| CS001698 | 2,2',3,4',5,5',6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001705 | 2,2',3,4',5,6,6'-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002818 | 2,2',3,4',5-pentachlorobiphenyl plus 2,2',4,5,5'-pentachlorobiphenyl | A mixture of two of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2016-02-26 |
| CS000991 | 2,2',3,4,4',5',6-heptabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS001712 | 2,2',3,4,4',5',6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002132 | 2,2',3,4,4',5'-hexabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001719 | 2,2',3,4,4',5'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002817 | 2,2',3,4,4',5'-hexachlorobiphenyl plus 2,3,3',4',5,6-hexachlorobiphenyl | A mixture of two of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2016-02-26 |
| CS003653 | 2,2',3,4,4',5,5',6-octabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS001726 | 2,2',3,4,4',5,5',6-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001733 | 2,2',3,4,4',5,5'-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003648 | 2,2',3,4,4',5,6-heptabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS001740 | 2,2',3,4,4',5-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003645 | 2,2',3,4,4',6'-hexabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003649 | 2,2',3,4,4',6,6'-heptabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS002139 | 2,2',3,4,4'-pentabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001747 | 2,2',3,4,4'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001754 | 2,2',3,4,5'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003721 | 2,2',3,4,5,5',6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS001761 | 2,2',3,4,5,5'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001768 | 2,2',3,5',6-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001775 | 2,2',3,5'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001782 | 2,2',3,5,5',6-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS004479 | 2,2',4,4',5,5'-hexabromobiphenyl | Congener 153 of polybromobiphenyl (organobromine) used as flame retardant and a persistent organic pollutant with formula C12H4Br6. | 2023-10-11 |
| CS000998 | 2,2',4,4',5,5'-hexabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS001530 | 2,2',4,4',5,5'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001005 | 2,2',4,4',5,6'-hexabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS001012 | 2,2',4,4',5-pentabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS001789 | 2,2',4,4',5-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003646 | 2,2',4,4',6,6'-hexabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS001019 | 2,2',4,4',6,6'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002146 | 2,2',4,4',6-pentabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001026 | 2,2',4,4'-tetrabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS001033 | 2,2',4,4'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001040 | 2,2',4,5'-tetrabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS004510 | 2,2',4,5'-tetrabromodiphenyl ether+2,3',4',6-tetrabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDE). | 2024-02-16 |
| CS001796 | 2,2',4,5'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001803 | 2,2',4,5,5'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003722 | 2,2',4,6'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS001810 | 2,2',4,6,6'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002153 | 2,2',4-tribromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001047 | 2,2',5,5'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001817 | 2,2',5-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001824 | 2,2',6,6'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS004145 | 2,2-dichloropropane | An organochlorine compound (chloroalkane) with formula C3H6Cl2. | 2021-08-25 |
| CS003734 | 2,2-dichloropropanoic acid | Unavailable | 2018-12-17 |
| CS003221 | 2,2-dimethylbutane | Unavailable | 2017-06-30 |
| CS003222 | 2,2-dimethylpropane | Unavailable | 2017-06-29 |
| CS003913 | 2,2’,3,3’,4,4’,5,6,6’-nonachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003924 | 2,2’,3,3’,4,4’,5,6-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003943 | 2,2’,3,3’,4,4’,5,6’-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003948 | 2,2’,3,3’,4,4’,6,6’-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003915 | 2,2’,3,3’,4,4’,6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003947 | 2,2’,3,3’,4,5,5’-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003932 | 2,2’,3,3’,4,5,6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003930 | 2,2’,3,3’,4,6,6’-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003954 | 2,2’,3,3’,4,6-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003936 | 2,2’,3,3’,4-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003931 | 2,2’,3,3’,5,5’,6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003912 | 2,2’,3,3’,5,6,6’-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003907 | 2,2’,3,3’,5,6-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003955 | 2,2’,3,3’,5,6’-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003949 | 2,2’,3,3’,5-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003906 | 2,2’,3,3’,6,6’-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003914 | 2,2’,3,3’-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003923 | 2,2’,3,4’,5,5’-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003935 | 2,2’,3,4’,5,6-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003929 | 2,2’,3,4’,6-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003938 | 2,2’,3,5,5’-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003952 | 2,2’,3,6-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003919 | 2,2’,3,6’-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003918 | 2,2’,3-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003905 | 2,2’,4,5’,6-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003928 | 2,2’,4-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003917 | 2,2’,6-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS001831 | 2,3',4',5-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002160 | 2,3',4',6-tetrabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001537 | 2,3',4,4',5'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001054 | 2,3',4,4',5,5'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS004511 | 2,3',4,4',5-pentabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2024-02-16 |
| CS001061 | 2,3',4,4',5-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002167 | 2,3',4,4',6-pentabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS002174 | 2,3',4,4'-tetrabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001838 | 2,3',4,4'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002727 | 2,3',4,4'-tetrachlorobiphenyl plus 2,2',3,5',6-pentachlorobiphenyl | A mixture of two polychlorinated biphenyls (two linked benzene rings with 4 (PCB66) or 5 (PCB95) hydrogens replaced by chlorine. This pair of compounds are often linked in toxicology studies. | 2015-09-22 |
| CS003724 | 2,3,3',4',5,5',6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS001845 | 2,3,3',4',6-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001852 | 2,3,3',4'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002820 | 2,3,3',4'-tetrachlorobiphenyl plus 2,3,4,4'-tetrachlorobiphenyl | A mixture of two of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2016-02-26 |
| CS003650 | 2,3,3',4,4',5',6-heptabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003723 | 2,3,3',4,4',5',6-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS001068 | 2,3,3',4,4',5'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS004483 | 2,3,3',4,4',5,5',6-octabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2023-11-20 |
| CS001075 | 2,3,3',4,4',5,5'-heptachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002181 | 2,3,3',4,4',5,6-heptabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS003647 | 2,3,3',4,4',5-hexabromodiphenyl ether | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS001082 | 2,3,3',4,4',5-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001866 | 2,3,3',4,4',6-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001089 | 2,3,3',4,4'-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003750 | 2,3,3',5,6-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2019-02-26 |
| CS003925 | 2,3,3’,4,4’,5,5’,6-octachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003922 | 2,3,3’,4,5’-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003920 | 2,3,3’,6-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003951 | 2,3,3’-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS001873 | 2,3,4'-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002188 | 2,3,4,4',5,6-hexabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001544 | 2,3,4,4',5-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003725 | 2,3,4,5-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS003883 | 2,3,4,5-tetrachlorophenol | Unavailable | 2020-07-06 |
| CS003689 | 2,3,4,6,7,8-hexachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS003800 | 2,3,4,6-tetrachlorophenol | Unavailable | 2020-07-06 |
| CS003690 | 2,3,4,7,8-pentachlorodibenzofuran | A dioxin. | 2018-12-17 |
| CS003884 | 2,3,4-trichlorophenol | Unavailable | 2020-07-06 |
| CS003921 | 2,3,4’,5-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003838 | 2,3,5,6-tetrachlorophenol | Unavailable | 2020-07-06 |
| CS003802 | 2,3,5-trichlorophenol | Unavailable | 2020-07-06 |
| CS001978 | 2,3,5-trimethylnaphthalene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003937 | 2,3,6-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003893 | 2,3,6-trichlorophenol | Unavailable | 2020-07-06 |
| CS001985 | 2,3,6-trimethylnaphthalene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003692 | 2,3,7,8-tetrachloro-dibenzofuran | A dioxin. | 2018-12-17 |
| CS003691 | 2,3,7,8-tetrachlorodibenzo-p-dioxin | A dioxin. | 2018-12-17 |
| CS003944 | 2,3-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003839 | 2,3-dichlorophenol | Unavailable | 2020-07-06 |
| CS004486 | 2,3-dimethylnaphthalene | An isomer of dimethylnaphthalene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 2 and 3. | 2024-02-16 |
| CS003866 | 2,3-dimethylphenol | Unavailable | 2020-07-06 |
| CS003942 | 2,3’,4,4’,6-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003941 | 2,3’,4,5-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003911 | 2,3’,4,6-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003910 | 2,3’,4-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003953 | 2,3’,4’6-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003946 | 2,3’,5-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003940 | 2,3’,5’-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003909 | 2,3’-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS001880 | 2,4',5-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002195 | 2,4',6-tribromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001096 | 2,4'-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS001103 | 2,4'-dichlorodiphenyldichloroethane | Unavailable | 2015-09-03 |
| CS001110 | 2,4'-dichlorodiphenyldichloroethylene | Unavailable | 2015-09-03 |
| CS001117 | 2,4'-dichlorodiphenyltrichloroethane | Unavailable | 2015-09-03 |
| CS001887 | 2,4,4',5-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002202 | 2,4,4',6-tetrabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS002209 | 2,4,4'-tribromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001859 | 2,4,4'-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS003950 | 2,4,5-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003333 | 2,4,5-trichlorophenol | One of 6 isomers of trichlorophenol. | 2017-07-06 |
| CS004252 | 2,4,5-trichlorophenoxyacetic acid | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004458 | 2,4,6-bromophenol | One of 19 organobromides of phenol. | 2022-10-20 |
| CS003334 | 2,4,6-trichlorophenol | One of 6 isomers of trichlorophenol. | 2017-07-06 |
| CS003751 | 2,4,6-trinitrophenol | Organic compound with the formula C6H3N3O7. | 2019-02-25 |
| CS003260 | 2,4,7-trimethyldibenzothiophene | Unavailable | 2023-12-15 |
| CS003864 | 2,4-D 2 ethylhexyl ester | A substance used in herbicides. | 2020-07-06 |
| CS003642 | 2,4-dibromo-1-(3-bromophenoxy)benzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS003638 | 2,4-dibromo-1-phenoxybenzene | One of 209 congeners of polybrominated diphenyl ether (PBDE). | 2018-02-03 |
| CS004466 | 2,4-dibromophenol | One of 19 organobromides of phenol. | 2022-10-20 |
| CS004451 | 2,4-dibromophenyl 3,4-dibromophenyl ether | A polybromodiphenyl ether with molecular formula C12H6Br4O. | 2022-06-23 |
| CS004290 | 2,4-dichloroaniline | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003934 | 2,4-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS004095 | 2,4-dichloronitrobenzene | An organochloride compound (chlorobenzene). | 2021-08-25 |
| CS003252 | 2,4-dichlorophenol | One of 6 isomers of dichlorophenol. | 2018-12-18 |
| CS003886 | 2,4-dichlorophenol+2,5-dichlorophenol | A mixture of two dichlorophenol isomers. | 2020-07-06 |
| CS001551 | 2,4-dichlorophenoxyacetic acid | Unavailable | 2015-09-03 |
| CS003447 | 2,4-dichlorophenoxyacetic acid esters | A compound of 2,4-dichlorophenoxyacetic acid (2.4 D) and an alcohol or a mixture of such compounds. Used as selective weedkillers. | 2017-08-09 |
| CS004146 | 2,4-dinitrochlorobenzene | An chlorobenzene compound with the formula (O2N)2C6H3Cl. | 2021-08-25 |
| CS004440 | 2,4-xylenol | A phenol with molecular formula C8H10O. | 2022-06-23 |
| CS004337 | 2,5-dichloroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004098 | 2,5-dichlorophenol | A phenol derived from the manufacturing or the pharmaceutical industry. | 2021-08-25 |
| CS003801 | 2,5-dimethylresorcinol | An organic compound with formula C8H10O2. | 2020-07-06 |
| CS003230 | 2,6,10,14-tetramethylhexadecane | Unavailable | 2017-06-29 |
| CS003231 | 2,6,10,14-tetramethylpentadecane | Unavailable | 2017-06-29 |
| CS004502 | 2,6,9-trimethylphenanthrene | An isomer of trimethylphenanthrene (a polycylic aromatic hydrocarbon) carrying methyl groups at positions 2, 5 and 9. | 2024-02-16 |
| CS003994 | 2,6-di-tert-butyl-4-sec-butylphenol | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS004202 | 2,6-di-tert-butylphenol | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS004459 | 2,6-dibromophenol | One of 19 organobromides of phenol. | 2022-10-20 |
| CS004209 | 2,6-dichloroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004403 | 2,6-dichlorobenzamide | A benzamide with molecular formula C7H5Cl2NO. | 2022-06-21 |
| CS003927 | 2,6-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003335 | 2,6-dichlorophenol | One of 6 isomers of dichlorophenol. | 2017-07-06 |
| CS001558 | 2,6-dimethylnaphthalene | Unavailable | 2015-09-03 |
| CS003894 | 2,6-dimethylphenol | Unavailable | 2020-07-06 |
| CS004331 | 2-(2-(4-nonylphenoxy)ethoxy)ethanol | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS004453 | 2-(2-butoxyethoxy)ethyl acetate | A glycol ether with molecular formula C10H20O4. | 2022-06-23 |
| CS003960 | 2-(4-nonylphenoxy)ethanol | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS003336 | 2-Methoxy-2-methylpropane | Unavailable | 2017-07-06 |
| CS004446 | 2-benzylphenol | A phenol with molecular formula C13H12O. | 2022-06-23 |
| CS004464 | 2-bromophenol | One of 19 organobromides of phenol. | 2022-10-20 |
| CS004188 | 2-chloro-4-aminotoluene | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS003256 | 2-chloro-4-nitrotoluene | Unavailable | 2017-06-29 |
| CS004187 | 2-chloro-5-methylaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004444 | 2-chloro-5-methylphenol | An organochlorine compound with molecular formula C7H7ClO. | 2022-06-23 |
| CS003255 | 2-chloro-5-nitrotoluene | Unavailable | 2017-06-29 |
| CS004211 | 2-chloro-6-methylaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004448 | 2-chloro-6-methylphenol | An organochlorine compound with molecular formula C7H7ClO. | 2022-06-23 |
| CS003254 | 2-chloro-6-nitrotoluene | Unavailable | 2017-06-29 |
| CS004174 | 2-chloroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS003253 | 2-chlorophenol | Unavailable | 2017-06-30 |
| CS004094 | 2-chlorotoluene | An organochloride compound. | 2021-08-25 |
| CS004525 | 2-ethylhexyl diphenyl phosphate | An aryl phosphate flame retardant, an additive or a plasticizer with molecular formula C20H27O4P. | 2024-02-16 |
| CS004349 | 2-ethylhexyl trans-4-methoxycinnamate | A cinnamate ester often used as a UV filter/light absorber in personal care products such as sunscreens. | 2021-09-24 |
| CS003218 | 2-iodopropane | Unavailable | 2017-06-29 |
| CS004529 | 2-isopropylphenyl diphenyl phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C21H21O4P. | 2024-02-16 |
| CS003037 | 2-methyl-1,3-butadiene | A hemiterpene. | 2016-07-26 |
| CS004431 | 2-methyl-4-chlorophenoxybutyric acid | A monocarboxylic acid with molecular formula C11H13ClO3. | 2022-06-21 |
| CS002020 | 2-methylanthracene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003223 | 2-methylbutane | Unavailable | 2017-06-29 |
| CS003259 | 2-methyldibenzothiophene | Unavailable | 2023-12-15 |
| CS004096 | 2-methylfluoranthene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS001992 | 2-methylnaphthalene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003224 | 2-methylpentane | Unavailable | 2017-06-30 |
| CS002216 | 2-methylphenanthrene | Unavailable | 2015-09-10 |
| CS003337 | 2-methylphenol | Unavailable | 2017-07-06 |
| CS003225 | 2-methylpropane | Unavailable | 2017-06-29 |
| CS003908 | 2-monochlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS004447 | 2-naphthol | A naphthol with molecular formula C10H8O. | 2022-06-23 |
| CS004208 | 2-nitrochlorobenzene | An organochloride compound (chlorobenzene). | 2021-08-25 |
| CS003338 | 2-nitrophenol | Unavailable | 2017-07-06 |
| CS004292 | 2-phenylphenol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003582 | 20-methyldocosanoic acid | 23-carbon methyl-branched fatty acid that is docosanoic acid (behenic acid) substituted by a methyl group at position 20. | 2017-08-09 |
| CS002965 | 21-methyldocosanoic acid | Unavailable | 2016-05-02 |
| CS002997 | 21-methyltricosanoic acid | Unavailable | 2016-05-02 |
| CS003584 | 22-methyltetracosanoic acid | 25-carbon methyl-branched fatty acid that is tetracosanoic acid (lignoceric acid) substituted by a methyl group at position 22. | 2017-08-09 |
| CS003583 | 22-methyltricosanoic acid | 24-carbon methyl-branched fatty acid that is tricosanoic acid substituted by a methyl group at position 22. | 2017-08-09 |
| CS003589 | 23,24-dimethylcholest-5-en-3beta-ol | 26-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003590 | 23,24-dimethylcholesta-5,22-dien-3beta-ol | 26-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003585 | 23-methyltetracosanoic acid | 25-carbon methyl-branched fatty acid that is tetracosanoic acid (lignoceric acid) substituted by a methyl group at position 23. | 2017-08-09 |
| CS003608 | 24-ethyl-5alpha-cholest-7-en-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003339 | 24-ethyl-5alpha-cholestan-3beta-ol | A phytosterol. | 2017-07-06 |
| CS001131 | 24-ethylcholest-5-en-3beta-ol | Unavailable | 2015-09-03 |
| CS003611 | 24-isopropyl-cholest-5-en-3beta-ol | 30-carbon plant sterol of interest as a biomarker. Cis and trans mixture of unspecified proportion. | 2017-08-09 |
| CS001138 | 24-methyl-5alpha-cholestan-3beta-ol | Unavailable | 2015-09-03 |
| CS003601 | 24-methylcholest-22-en-3beta-ol | 28-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003602 | 24-methylcholesta-5,24(28)-dien-3beta-ol | 28-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003591 | 24-nor-5alpha-cholestan-3beta-ol | 26-carbon plant sterol of interest as a biomarker. Cis and trans mixture of unspecified proportion. | 2017-08-09 |
| CS003592 | 24-norcholest-5-en-3beta-ol | 26-carbon plant sterol of interest as a biomarker. Cis and trans mixture of unspecified proportion. | 2017-08-09 |
| CS003593 | 24-norcholesta-7,22-dien-3beta-ol | 26-carbon plant sterol of interest as a biomarker. Cis and trans mixture of unspecified proportion. | 2017-08-09 |
| CS003248 | 24Z-propylidenecholest-5-en-3beta-ol | Unavailable | 2017-06-30 |
| CS003490 | 28,30-bis norhopane | Polycyclic aliphatic hydrocarbon found in oil shales that can provide depositional environment indication. | 2017-08-09 |
| CS003727 | 3,3',4,4',5,5'-hexachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS003728 | 3,3',4,4',5-pentachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS002223 | 3,3',4,4'-tetrabromodiphenyl ether | Unavailable | 2015-09-10 |
| CS001565 | 3,3',4,4'-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2015-09-10 |
| CS002230 | 3,3',4-tribromodiphenyl ether | Unavailable | 2015-09-10 |
| CS003733 | 3,3',4-trichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-12-07 |
| CS003945 | 3,3’-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003729 | 3,4,4',5-tetrachlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2018-05-24 |
| CS002237 | 3,4,4'-tribromodiphenyl ether | Unavailable | 2015-09-10 |
| CS003825 | 3,4,5-trichlorophenol | Unavailable | 2020-07-06 |
| CS004151 | 3,4-dibromodiphenyl ether | A substance belonging to the Polybrominated Diphenyl Ethers (PBDEs) or the Polybrominated Biphenyls (PBBs) groups. | 2021-08-25 |
| CS004173 | 3,4-dichloroaniline | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003916 | 3,4-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS003885 | 3,4-dichlorophenol | Unavailable | 2020-07-06 |
| CS004121 | 3,4-dichlorophenylurea | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003837 | 3,4-dimethylphenol | Unavailable | 2020-07-06 |
| CS004004 | 3,5-di-tert-butylphenol | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS004336 | 3,5-dichloroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004149 | 3,5-dichloronitrobenzene | An organochloride compound (chlorobenzene). | 2021-08-25 |
| CS003840 | 3,5-dichlorophenol | Unavailable | 2020-07-06 |
| CS003867 | 3,5-dimethylphenol | Unavailable | 2020-07-06 |
| CS003212 | 3,6-dimethylphenanthrene | Unavailable | 2017-06-29 |
| CS003462 | 3,7,11,15-tetramethylhexadecanoate | A methyl ester of phytanic acid (a branched-chain saturated fatty acid consisting of hexadecanoic acid carrying methyl substituents at positions 3, 7, 11 and 15) | 2017-08-09 |
| CS004460 | 3-bromophenol | One of 19 organobromides of phenol. | 2022-10-20 |
| CS004340 | 3-chloro-2-methylaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004093 | 3-chloroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS003803 | 3-chlorophenol | Unavailable | 2020-07-06 |
| CS004175 | 3-chlorotoluene | An organochloride compound. | 2021-08-25 |
| CS004198 | 3-methylcholanthrene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS004050 | 3-methylfluoranthene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS003189 | 3-methylpentane | Unavailable | 2017-06-29 |
| CS004439 | 3-methylphenanthrene | A polycyclic aromatic hydrocarbon with molecular formula C15H12. | 2022-06-23 |
| CS003933 | 3-monochlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-13 |
| CS004171 | 3-nitrochlorobenzene | An organochloride compound (chlorobenzene). | 2021-08-25 |
| CS002244 | 4,4'-dichlorodiphenyldichloroethane | Unavailable | 2015-09-10 |
| CS002251 | 4,4'-dichlorodiphenyldichloroethylene | Unavailable | 2015-09-10 |
| CS002258 | 4,4'-dichlorodiphenyltrichloroethane | Unavailable | 2015-09-10 |
| CS003520 | 4,4'-dichlorodiphenyltrichloroethane + 2,4'-dichlorodiphenyltrichloroethane | A mixture of the orto and para isomers of the pesticide DDT in any proportion. | 2017-08-09 |
| CS003939 | 4,4’-dichlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2022-10-20 |
| CS003213 | 4,6-dimethyldibenzothiophene | Unavailable | 2023-12-15 |
| CS004432 | 4-(2,4-dichlorophenoxy)butyric acid | A monocarboxylic acid with molecular formula C10H10Cl2O3. | 2022-06-21 |
| CS003623 | 4-(2,4-dimethylheptan-3-yl)phenol | Unavailable | 2017-12-14 |
| CS004427 | 4-acetamidoantipyrine | A pyrazoles with molecular formula C13H15N3O2. | 2022-06-21 |
| CS004462 | 4-bromophenol | One of 19 organobromides of phenol. | 2022-10-20 |
| CS004135 | 4-chloro-2-methylaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004452 | 4-chloro-2-methylphenol | A phenol with molecular formula C7H7ClO. | 2022-06-23 |
| CS001145 | 4-chloro-2-methylphenoxyacetic acid | Unavailable | 2015-09-03 |
| CS004339 | 4-chloro-2-nitroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS003209 | 4-chloro-2-nitrotoluene | Unavailable | 2017-06-29 |
| CS001152 | 4-chloro-3-methylphenol | Organic compound with the formula ClC6H4OH. Used as an antiseptic and a preservative. | 2022-06-14 |
| CS003210 | 4-chloro-3-nitrotoluene | Unavailable | 2017-06-29 |
| CS004189 | 4-chloro-n-methylaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004338 | 4-chloroaniline | A chemical substance belonging to the group of the anilines which include any aromatic amine that is benzene carrying at least one amino substituent and its substituted derivatives [ChEBI, 16 August 2021]. Many of these compounds are used in the manufacture of polyurethane, dyes, and other industrial chemicals. | 2021-08-25 |
| CS004148 | 4-chlorobenzoic acid | An organochloride compound (chlorobenzene and a monochlorobenzoic acid) with formula C7H5ClO2 carrying the chloro group at position 4. | 2021-08-25 |
| CS004089 | 4-chloronitrobenzene | An organochloride compound (chlorobenzene). | 2021-08-25 |
| CS003841 | 4-chlorophenol | Unavailable | 2020-07-06 |
| CS004210 | 4-chlorotoluene | An organochloride compound. | 2021-08-25 |
| CS004496 | 4-ethyldibenzothiophene | An alkyldibenzothiophene present in crude oil with molecular formula of C14H12S. | 2024-02-16 |
| CS004399 | 4-formylaminoantipyrine | A pyrazolone with molecular formula C12H13N3O2. | 2022-06-21 |
| CS004530 | 4-isopropylphenyl diphenyl phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C21H21O4P. | 2024-02-16 |
| CS003340 | 4-isopropyltoluene | A naturally occurring aromatic organic compound and a common ligand for ruthenium. | 2017-07-06 |
| CS004494 | 4-methyldibenzothiophene | An isomer of methyldibenzothiophene (MDBT), carrying a methyl group at position 4. | 2024-02-16 |
| CS003926 | 4-monochlorobiphenyl | One of 209 polychorobiphenyl congeners - different configurations of between 2 and 10 chlorine atoms attached to two coupled benzene rings. A persistant organic pollutant. | 2021-04-23 |
| CS003211 | 4-nonylphenol | A phenol with formula C15H24O. An environmental contaminant. | 2019-10-08 |
| CS003868 | 4-nonylphenol (branched) | Unavailable | 2020-07-06 |
| CS003619 | 4-octylphenol | A phenol with formula C14H22O. It is used as a surfactant and has oestrogenic activity. An organic contaminant. | 2019-10-08 |
| CS004332 | 4-octylphenol diethoxylate | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS004160 | 4-octylphenol monoethoxylate | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS004497 | 4-propyldibenzothiophene | A derivative of dibenzothiophene commonly found in petroleum fractions, with molecular formula of C15H14S. | 2024-02-16 |
| CS004533 | 4-tert-Octylphenol diethoxylate | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2024-02-16 |
| CS004532 | 4-tert-Octylphenol monoethoxylate | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2024-02-16 |
| CS004133 | 4-tert-butylphenol | A phenol derived from the manufacturing or the pharmaceutical industry. | 2021-08-25 |
| CS003824 | 4-tert-octylphenol | An organic compound with formula C14H22O used as, or in the production of e.g. surfactants, resins, UV stabilizers. | 2020-07-06 |
| CS004037 | 45-hydroxyhomoyessotoxin | A biotoxin. | 2021-08-25 |
| CS004038 | 45-hydroxyyessotoxin | A biotoxin. | 2021-08-25 |
| CS004536 | 4:2 fluorotelomer sulfonic acid | A member of a class of chemicals called per- and polyfluoroalkyl substances or PFAS. Used in the production of non-stick, stain repellent and chemically inert coatings. | 2024-02-16 |
| CS003207 | 4alpha,23,24-trimethyl-5alpha-cholest-22-en-3beta-ol | Unavailable | 2017-06-29 |
| CS003208 | 4alpha,23,24-trimethyl-5alpha-cholestan-3beta-ol | Unavailable | 2017-06-29 |
| CS004136 | 5-chloro-2-methylaniline | An organochloride compound. | 2021-08-25 |
| CS002265 | 5-methylchrysene | Unavailable | 2015-09-10 |
| CS003823 | 5-methylresorcinol | A dihydroxytoluene with chemical formula CH3C6H3(OH)2. | 2020-07-06 |
| CS001159 | 5alpha-cholest-7en-3beta-ol | Unavailable | 2015-09-03 |
| CS003188 | 5alpha-cholestan-3beta-ol | Unavailable | 2017-06-29 |
| CS004507 | 6-ethylchrysene | A persistent organic pollutant (POP). It is a derivative of chrysene with molecular formula C20H16. | 2024-02-16 |
| CS002272 | 6-methylchrysene | Unavailable | 2015-09-10 |
| CS004508 | 6-propylchrysene | A persistent organic pollutant (POP). It is a derivative of chrysene with molecular formula C21H18. | 2024-02-16 |
| CS004537 | 6:2 fluorotelomer sulfonic acid | A member of a class of chemicals called per- and polyfluoroalkyl substances or PFAS. Used in the production of non-stick, stain repellent and chemically inert coatings. | 2024-02-16 |
| CS004203 | 7,12-dimethyltetraphene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS004039 | 7-epi-pectenotoxin-2 seco acid | A biotoxin. | 2021-08-25 |
| CS003540 | 7-tetradecenoic acid | A tetradecenoic (14-carbon) monounsaturated fatty acid having its double bond in the 7-position. | 2017-08-09 |
| CS004538 | 8:2 fluorotelomer sulfonic acid | A member of a class of chemicals called per- and polyfluoroalkyl substances or PFAS. Used in the production of non-stick, stain repellent and chemically inert coatings. | 2024-02-16 |
| CS004051 | 9'-cis-neoxanthin | A neoxanthin in which all of the double bonds have trans geometry except for that at the 9' position, which is cis [ChEBI, 17/08/2021]. | 2021-08-25 |
| CS004495 | 9-methylphenanthrene | A polycyclic aromatic hydrocarbon with molecular formula C15H12. | 2024-02-16 |
| CS002821 | 9-tetradecenoic acid | An omega-5 fatty acid. | 2016-02-26 |
| CS002279 | Arochlor 1254 | Unavailable | 2015-09-10 |
| CS002286 | Arochlor 1260 | Unavailable | 2015-09-10 |
| CS003765 | C1-chrysenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-03-14 |
| CS002827 | C1-dibenzothiophenes | Organosulfur compounds consisting of two benzene rings fused to a central thiophene ring. | 2023-12-15 |
| CS003769 | C1-naphthalenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-03-14 |
| CS002828 | C1-phenanthrenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS003767 | C1-pyrenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-03-14 |
| CS003766 | C2-chrysenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-03-14 |
| CS002829 | C2-dibenzothiophenes | Organosulfur compounds consisting of two benzene rings fused to a central thiophene ring. | 2023-12-15 |
| CS002830 | C2-naphthalenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS002831 | C2-phenanthrenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS003768 | C2-pyrenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-03-14 |
| CS002832 | C3-dibenzothiophenes | Organosulfur compounds consisting of two benzene rings fused to a central thiophene ring. | 2023-12-15 |
| CS002833 | C3-naphthalenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS002834 | C3-phenanthrenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS003464 | C36 alkenoates+C37+C38 alkenones | A mixture of long-chain alkenone and alkenoates. Of interest as biomarkers and palaeoclimate indication. | 2017-08-09 |
| CS002835 | C4-naphthalenes | A grouping of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS003216 | D-alanine | Unavailable | 2017-06-29 |
| CS003197 | D-arginine | Unavailable | 2017-06-29 |
| CS003191 | D-aspartic acid | Unavailable | 2017-06-29 |
| CS003193 | D-glutamic acid | Unavailable | 2017-06-29 |
| CS003205 | D-isoleucine | Unavailable | 2017-06-29 |
| CS003214 | D-leucine | Unavailable | 2017-06-29 |
| CS003202 | D-methionine | Unavailable | 2017-06-29 |
| CS003203 | D-phenylalanine | Unavailable | 2017-06-29 |
| CS003195 | D-serine | Unavailable | 2017-06-29 |
| CS003200 | D-valine | Unavailable | 2017-06-29 |
| CS003697 | DDT (p,p') + DDE (p,p') | A mixture of organochlorine compounds that are persistent organic pollutants. | 2018-05-24 |
| CS002852 | DDT+DDD+DDE | A mixture of organochlorine compounds that are persistent organic pollutants. | 2016-02-26 |
| CS004474 | DNA adducts | Segments of DNA covalently bound to a chemical. Used as an indicator of exposure to carcinogenic substances. | 2023-10-11 |
| CS003485 | E-palythenic acid | Mycosporine-like amino acid trans isomer. Marine microbial metabolite. | 2017-08-09 |
| CS002800 | EPA 16 priority polycyclic aromatic hydrocarbons | A mixture of 16 polycyclic aromatic hydrocarbon given priority by the EPA - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. Organic pollutant. | 2016-02-26 |
| CS004484 | EPA 16 priority polycyclic aromatic hydrocarbons minus acenaphthylene | A mixture of 15 polycyclic aromatic hydrocarbons (PAHs) given priority by the United States Environmental Protection Agency (EPA) - Acenaphthene, Anthracene, Benzo(a)anthracene, Benzo(a)pyrene, Benzo(b)fluoranthene, Benzo(g,h,i)perylene, Benzo(k)fluoranthene, Chrysene, Dibenz(a,h)anthracene, Fluoranthene, Fluorene, Indeno(1,2,3-c,d)pyrene, Naphthalene, Phenanthrene, Pyrene. | 2024-01-23 |
| CS003044 | IMS PAH mixture I | A mixture of polycyclic aromatic hydrocarbons whose concentrations are summed to produce an overall 'PAH concentration' by the Institute of Marine Sciences, Middle East Technical University, Turkey. The mixture comprises naphthalene, 1-methylnaphthalene, 1-ethylnaphtahalene, acenaphthylene, acenapthane, fluorene, phenanthrene, anthracene, 2-methylphenanthrene, 1-methylphenanthrene, fluoranthene, 3-6 dimethyl, pyrene, 1-methylpyrene, chrysene and perylene. | 2016-07-29 |
| CS003431 | ISMAR heptachlorobiphenyls | A mixture of PCBs with seven chlorine atoms considered a group by the Italian CNR ISMAR laboratory (PCB-170+171+172+173+174+176+177+178+179+180+183+185+187+189+190+191+193). | 2017-08-09 |
| CS003433 | ISMAR hexachlorobiphenyls | A mixture of PCBs with six chlorine atoms considered a group by the Italian CNR ISMAR laboratory (PCB-128+129+131+132+134+135+136+137+138+141+144+146+147+149+151+153+156+157+158+164+167). | 2017-08-09 |
| CS003468 | ISMAR octachlorobiphenyls | A mixture of PCBs with eight chlorine atoms considered a group by the Italian CNR ISMAR laboratory (PCB-194+195+196+197+201+203+205). | 2017-08-09 |
| CS003469 | ISMAR pentachlorobiphenyls | A mixture of PCBs with five chlorine atoms considered a group by the Italian CNR ISMAR laboratory (PCB-82+83+84+85+87+90+91+92+93+95+97+99+101+103+104+105+109+110+114+115+118+119+123). | 2017-08-09 |
| CS003430 | ISMAR tetrachlorobiphenyls | A mixture of PCBs with four chlorine atoms considered a group by the Italian CNR ISMAR laboratory (PCB-40+41+42+44+45+46+47+48+49+52+56+59+60+63+64+66+67+69+70+71+74+77). | 2017-08-09 |
| CS003434 | ISMAR trichlorobiphenyls | A mixture of PCBs with three chlorine atoms considered a group by the Italian CNR ISMAR laboratory (PCB-18+19+20+22+24+25+26+27+28+29+31+32+33+34). | 2017-08-09 |
| CS003198 | L-alanine | Unavailable | 2017-06-29 |
| CS003196 | L-arginine | Unavailable | 2017-06-29 |
| CS003190 | L-aspartic acid | Unavailable | 2017-06-29 |
| CS003192 | L-glutamic acid | Unavailable | 2017-06-29 |
| CS003204 | L-isoleucine | Unavailable | 2017-06-29 |
| CS003206 | L-leucine | Unavailable | 2017-06-29 |
| CS003201 | L-methionine | Unavailable | 2017-06-29 |
| CS003217 | L-phenylalanine | Unavailable | 2017-06-29 |
| CS003194 | L-serine | Unavailable | 2017-06-29 |
| CS003215 | L-threonine | Unavailable | 2017-06-29 |
| CS003199 | L-valine | Unavailable | 2017-06-29 |
| CS003617 | N-(phosphonomethyl)glycine | Unavailable | 2017-12-14 |
| CS002810 | PCB28+PCB52+PCB101+PCB118+PCB138+PCB153+PCB180 | A mixture of 7 polychlorinated biphenyl congeners. | 2020-04-09 |
| CS002880 | PCB28+PCB52+PCB101+PCB138+PCB153+PCB180 | A mixture of 6 polychlorinated biphenyl congeners often used to characterize contamination by PCBs. | 2020-04-09 |
| CS003796 | PCB28+PCB52+PCB77+PCB81+PCB101+PCB118+PCB126+PCB128+PCB138+PCB153+PCB156+PCB169+PCB180 | A mixture of 13 polychlorinated biphenyl congeners. | 2020-04-23 |
| CS003618 | Parlar 26 (2-endo,3-exo,5-endo,6-exo,8,8,10,10 octachlorobornane) | Unavailable | 2017-12-14 |
| CS003629 | Parlar 50 (2-endo,3-exo,5-endo,6-exo,8,8,9,10,10 nonachlorobornane) | Unavailable | 2017-12-14 |
| CS003630 | Parlar 62 (2-endo,2-exo,5-endo,5-exo,8,9,9,10,10 nonachlorobornane) | Unavailable | 2017-12-14 |
| CS003714 | Perfluorooctanoic acid | An organofluorine. | 2018-05-24 |
| CS003530 | PstS | A phosphate binding protein. | 2017-08-09 |
| CS003484 | Z-palythenic acid | Mycosporine-like amino acid cis isomer. Marine microbial metabolite. | 2017-08-09 |
| CS004265 | abacavir | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004023 | acebutolol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS001999 | acenaphthene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002006 | acenaphthylene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004409 | acesulfame k | A sweetner with molecular formula C4H4KNO4S. | 2022-06-21 |
| CS001572 | acetaldehyde | Unavailable | 2015-09-03 |
| CS003819 | acetamiprid | Unavailable | 2020-07-06 |
| CS004181 | acetochlor | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004147 | acetochlor ESA | A marine xenobiotic metabolite of the herbicide acetochlor. | 2021-08-25 |
| CS003988 | acetochlor OXA | A marine xenobiotic metabolite of the herbicide acetochlor. | 2021-08-25 |
| CS001166 | acetone | Unavailable | 2015-09-03 |
| CS004473 | acetylcholinesterase | An enzyme that catalyzes the breakdown of neurotransmitters like acetylcholine and other choline esters. | 2023-10-11 |
| CS003062 | acid volatile sulfide | An operationally defined group of sulfur (or sulphur)-containing compounds that form hydrogen sulfide when exposed to a cold acid treatment. It is generally taken as representing metal monosulfides but its composition may vary depending on the method used. | 2017-01-20 |
| CS003870 | aclonifen | Unavailable | 2020-07-06 |
| CS004384 | acrinathrin | A synthetic pyrethroid with molecular formula C26H21F6NO5. | 2022-06-21 |
| CS003731 | actinium-227 | An isotope of the chemical element actinium. | 2018-06-13 |
| CS004353 | actinium-228 | An isotope of the chemical element actinium. | 2022-01-21 |
| CS003267 | adenosine triphosphate | Unavailable | 2017-06-29 |
| CS003492 | adenylates | A mixture of salts, anions, or esters of adenylic acid. | 2017-08-09 |
| CS001173 | alachlor | Unavailable | 2015-09-03 |
| CS002994 | alanine | Unavailable | 2016-05-02 |
| CS002293 | aldrin | Unavailable | 2015-09-10 |
| CS002699 | aliphatic petroleum hydrocarbons | A mixture of all substances comprising only carbon and hydrogen with no aromatic (benzene) rings in their structure that may be extracted from a sample using an organic solvent. These are presumed sourced from crude oil. | 2015-09-20 |
| CS003793 | alkaline phosphatase | Enzyme involved in the dephosphorylation of organic molecules. It is synthesized by most organisms, prokaryotes and eukaryotes alike, with some structural variations. | 2019-08-28 |
| CS002946 | alloxanthin | Unavailable | 2016-05-02 |
| CS004129 | allyl chloride | An organochlorine compound with formula C3H5Cl. | 2021-08-25 |
| CS003480 | alpha emitters | A mixture of radioactive isotopes that emit alpha particles (helium nucleii) when they decay. | 2017-08-09 |
| CS002300 | alpha-chlordane | Unavailable | 2015-09-10 |
| CS004110 | alpha-cypermethrin | Chemical substance used as a pesticide. | 2022-07-27 |
| CS002307 | alpha-endosulfan | Unavailable | 2015-09-10 |
| CS004455 | alpha-endosulfan+beta-endosulfan+endosulfan sulfate | A mixture of three pesticides in any proportion. | 2022-10-25 |
| CS003522 | alpha-endosulphan+beta-endosulphan+endosulphan sulphate DEPRECATED | Deprecated on 25-Jun-2021 because the parameter duplicates an existing one. Use CS004455 instead.A mixture of three pesticides in any proportion. | 2022-10-25 |
| CS002314 | alpha-hexabromocyclododecane | Unavailable | 2015-09-10 |
| CS002321 | alpha-hexachlorocyclohexane | Unavailable | 2015-09-10 |
| CS002895 | alpha-hexachlorocyclohexane+beta-hexachlorocyclohexane+gamma-hexachlorocyclohexane | A mixture of three isomers of the pesticide haxachlorocyclohexane in any proportion: alpha, beta and gamma (also known as lindane). | 2021-01-15 |
| CS003038 | alpha-pinene | A terpene. | 2016-07-26 |
| CS004260 | alprazolam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002991 | aluminium | Unavailable | 2016-05-02 |
| CS004363 | aluminium (expressed as aluminium oxide) | Pending. | 2022-04-05 |
| CS003341 | aluminium oxide | Unavailable | 2017-07-06 |
| CS003417 | aluminium-27 | An isotope of chemical element aluminium | 2017-08-02 |
| CS002761 | americium-241 | An isotope of the chemical element americium | 2015-11-11 |
| CS003865 | ametryn | Unavailable | 2020-07-06 |
| CS003813 | amidosulfuron | Unavailable | 2020-07-06 |
| CS004388 | amidotrizoic acid | A benzoic acid with molecular formula C11H9I3N2O4. | 2022-06-21 |
| CS003562 | amino acids | Any organic compounds containing an amine and a carboxyl functional groups. | 2017-08-09 |
| CS003523 | amino-glucose and amino-galactose | A mixture of two of the amino sugars group (sugars with a hydroxyl replaced by an amino group). | 2017-08-09 |
| CS002822 | aminoacyl-tRNA synthetases | An enzyme that attaches the appropriate amino acid onto its tRNA. | 2016-02-26 |
| CS003820 | aminomethylphosphonic acid | An organophosphate with chemical formula CH6NO3P, it is a degradation product of the herbicide glyphosate. | 2020-07-06 |
| CS003985 | amiodarone | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004278 | amitriptyline | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002757 | ammonia | A gaseous compound of nitrogen and hydrogen also known as azane | 2015-10-02 |
| CS026908 | ammonium | A polyatomic ion with the molecular formula NH4+. | 2017-07-21 |
| CS003400 | ammonium transporter [Sequence: EAYPDFASAK; Organism: Prochlorococcus MIT9312] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS004405 | anhydroerythromycin | An antibiotic with molecular formula C37H65NO12. | 2022-06-21 |
| CS004415 | aniline | A primary arylamine with molecular formula C6H7N. | 2022-06-21 |
| CS004153 | anionic surfactants | A generic term for undifferentiated surface-active agents with an anionic functional group at their hydrophilic head. The compounds may be sulfate, sulfonate, phosphate, or carboxylate derivatives. | 2021-08-25 |
| CS003701 | anthanthrene | A polycyclic aromatic hydrocarbon. | 2018-05-24 |
| CS002910 | antheraxanthin | Unavailable | 2016-05-02 |
| CS001607 | anthoxanthins | A group of water-soluble flavenoid pigments coloured white to creamy yellow often found in the petals of flowers | 2015-09-08 |
| CS002027 | anthracene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004182 | anthraquinone | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004545 | anti-dechlorane plus | A polychlorinated compound used as a flame retardant and pesticide with molecular formula C20H12Cl12. | 2024-02-16 |
| CS002962 | antimony | Unavailable | 2016-05-02 |
| CS002823 | apolar fat | Esters of three fatty acid chains and the alcohol glycerol, also known as triglycerides. | 2016-02-26 |
| CS003956 | aragonite | A specific crystalline form of CaCO3. | 2021-06-08 |
| CS002911 | arginine | Unavailable | 2016-05-02 |
| CS003054 | argon | A naturally occuring noble gas (a group of odourless, colourless and monatomic gases with very low reactivity). | 2016-12-15 |
| CS003056 | arsenate | Arsenic oxoanion containing four oxygen atoms bound to an arsenic atom with a valency of 5 (also known as pentavalent arsenic or As(V)). | 2017-01-19 |
| CS002328 | arsenic | Unavailable | 2015-09-10 |
| CS003057 | arsenite | Arsenic oxoanion containing three oxygen atoms bound to an arsenic atom with a valency of 3 (also known as trivalent arsenic or As(III)). | 2017-01-19 |
| CS002968 | asparagine | Unavailable | 2016-05-02 |
| CS002926 | aspartic acid | Unavailable | 2016-05-02 |
| CS003046 | astaxanthin | A keto-carotenoid belonging to a larger class of terpenes. | 2016-09-23 |
| CS004273 | astemizole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004257 | atenolol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004280 | atorvastatin | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS001579 | atrazine | Unavailable | 2015-09-03 |
| CS004255 | atrazine-2-hydroxy | A marine xenobiotic metabolite derived from the herbicide atrazine. | 2021-08-25 |
| CS003874 | atrazine-desethyl | Unavailable | 2020-07-06 |
| CS004220 | azaspiracid-1 | A biotoxin. | 2021-08-25 |
| CS004030 | azaspiracid-2 | A biotoxin. | 2021-08-25 |
| CS004031 | azaspiracid-3 | A biotoxin. | 2021-08-25 |
| CS001180 | azinphos-ethyl | Unavailable | 2015-09-03 |
| CS001586 | azinphos-methyl | Unavailable | 2015-09-03 |
| CS004123 | azoxystrobin | Chemical substance used as a fongicide. | 2021-08-25 |
| CS003342 | bacteriochlorophyll-a | A photosynthetic pigment found in phototrophic bacteria (eg purple and green bacteria). | 2019-03-26 |
| CS003778 | bacteriochlorophyll-c+d | An unresolved mixture or the sum of bacteriochlorophyll c and d pigments. | 2019-03-26 |
| CS002335 | barium | One of six chemical elements classified as an alkaline earth metal. Its atomic number is 56. | 2021-05-17 |
| CS003055 | barium-138 | An isotope of the chemical element barium. | 2017-01-10 |
| CS004106 | benalaxyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004165 | benfluralin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS001187 | bentazone | Chemical used in herbicides. | 2020-06-30 |
| CS003975 | benthiazole | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002041 | benz(b)anthracene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003272 | benzene | Unavailable | 2017-06-29 |
| CS002034 | benzo(a)anthracene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2020-06-30 |
| CS001908 | benzo(a)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004480 | benzo(a)pyrene hydroxylase | An enzyme. | 2023-10-11 |
| CS004217 | benzo(a)pyrene hydroxylated metabolites | Mixture (or sum) of all detectable hydroxylated metabolites of benzo(a)pyrene, a polycyclic aromatic hydrocarbon (PAH). | 2021-08-25 |
| CS001915 | benzo(b)fluoranthene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004213 | benzo(b)fluoranthene+benzo(j)fluoranthene | An undifferentiated mixture (or sum) of two polycyclic aromatic hydrocarbons with four benzene rings with chemical formula C20H12 (CAS 205-99-2 plus CAS 205-82-3). | 2021-08-25 |
| CS003628 | benzo(b)naphtho(2,1-d)thiophene | Unavailable | 2017-12-14 |
| CS002824 | benzo(b,j,k)fluoranthene | A mixture of three polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-01-24 |
| CS002825 | benzo(b,k)fluoranthene | A mixture of two polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-01-24 |
| CS001922 | benzo(c)phenanthrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS001929 | benzo(e)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS001936 | benzo(g,h,i)perylene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS001943 | benzo(j)fluoranthene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002826 | benzo(j,k)fluoranthene | A mixture of two polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-01-24 |
| CS001950 | benzo(k)fluoranthene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS001957 | benzo(pqr)picene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2023-06-26 |
| CS004477 | benzo[b]naphthothiophene | A polycyclic aromatic hydrocarbon (PAH) with formula C16H10S. | 2023-10-11 |
| CS004476 | benzo[c]fluorene | A polycyclic aromatic hydrocarbon (PAH). | 2023-10-11 |
| CS003699 | benzo[ghi]fluoranthene | A polycyclic aromatic hydrocarbon. | 2018-05-24 |
| CS004478 | benzonaphthothiophenes | A family of polycyclic aromatic hydrocarbon (PAH) with a thiophene ring linked to that of benzene and naphthalene and a molecular formula C16H10S. | 2023-10-11 |
| CS003760 | benzophenone | An organic compound issued from plant metabolism with the formula C13H10O. | 2019-03-09 |
| CS003978 | benzothiophene | An organosulfur compound of molecular formula C8H6S. | 2021-08-25 |
| CS004549 | benzotriazole | The simplest member of the class of benzotriazoles that consists of a benzene nucleus fused to a 1H-1,2,3-triazole ring. It has a ariety of uses, for instance as a corrosion inhibitor for copper. It has a molecular formula C6H5N3. | 2024-05-02 |
| CS003822 | benzyl butyl phthalate | Unavailable | 2020-07-06 |
| CS003266 | beryllium | One of six chemical elements classified as an alkaline earth metal. Its atomic number is 4. | 2021-05-17 |
| CS003053 | beryllium-7 | An isotope of the chemical element beryllium. | 2016-12-15 |
| CS003483 | beta emitters | A mixture of radioactive isotopes that emit beta particles (electrons) when they decay. | 2017-08-09 |
| CS003435 | beta emitters other than 3H and 40K | A mixture of radioactive isotopes other than tritium (3H) and potassium-40 (40K) that emit beta particles (electrons) when they decay. | 2017-08-09 |
| CS002985 | beta,beta-carotene | Unavailable | 2016-05-02 |
| CS002931 | beta,epsilon-carotene | Unavailable | 2016-05-02 |
| CS003770 | beta,epsilon-carotene+beta,beta-carotene | A mixture of the two primary isomers of carotene. | 2019-03-20 |
| CS002925 | beta-alanine | Unavailable | 2016-05-02 |
| CS003282 | beta-endosulfan | Unavailable | 2017-06-29 |
| CS002342 | beta-hexabromocyclododecane | Unavailable | 2015-09-10 |
| CS002349 | beta-hexachlorocyclohexane | Unavailable | 2015-09-10 |
| CS003040 | beta-pinene | A monoterpene. | 2016-07-26 |
| CS004296 | bezafibrate | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003328 | bicarbonate | Unavailable | 2017-07-06 |
| CS003863 | bifenox | Unavailable | 2020-07-06 |
| CS003849 | bifenthrin | Unavailable | 2020-07-06 |
| CS003665 | bioavailable adenosine triphosphate | Adenosine triphosphate (ATP) that is freely available for uptake by a biological organism. | 2018-04-18 |
| CS003666 | bioavailable leucine | Leucine amino-acid that is freely available for uptake by a biological organism. | 2018-04-18 |
| CS003667 | bioavailable methionine | Methionine amino-acid that is freely available for uptake by a biological organism. | 2018-04-18 |
| CS003128 | biogenic silica | Hydrated form of silica (SiO2.nH2O) of biological origin. | 2017-06-23 |
| CS002864 | biopolymeric carbon | Unavailable. | 2016-03-22 |
| CS002356 | biphenyl | Unavailable | 2015-09-10 |
| CS001194 | bis(2-ethylhexyl)phthalate | Unavailable | 2015-09-03 |
| CS004531 | bis(4-isopropylphenyl) phenyl phosphates | Mixture (or sum) of undifferentiated bis(4-isopropylphenyl) phenyl phosphate isomers with molecular formula C24H27O4P. | 2024-02-16 |
| CS002963 | bismuth | Unavailable | 2016-05-02 |
| CS002762 | bismuth-214 | An isotope of the chemical element bismuth | 2015-11-11 |
| CS004259 | bisoprolol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003761 | bisphenol A | An organic synthetic compound with the chemical formula C15H16O2. A bisphenol based on 4,4'-methanediyldiphenol in which the methylene hydrogens are replaced by two methyl groups. | 2019-03-09 |
| CS003995 | bithionol | A chlorobenzene, an organochloride of phenol (chlorophenol) and an organosulfide compound with formula C12H6Cl4O2S. | 2021-08-25 |
| CS003263 | boron | Unavailable | 2017-06-29 |
| CS003895 | boscalid | Unavailable | 2020-07-06 |
| CS004060 | brevetoxin b | A biotoxin. | 2021-08-25 |
| CS004164 | brevetoxin-3 | A biotoxin. | 2021-08-25 |
| CS004179 | bromacil | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004261 | bromazepam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003119 | bromide | An anion of the bromine atom with an ionic charge of -1. | 2017-04-20 |
| CS003290 | bromine | Unavailable | 2017-06-30 |
| CS003744 | bromoacetic acid | An organochlorine compound. | 2018-12-18 |
| CS003343 | bromobenzene | Unavailable | 2017-07-06 |
| CS003735 | bromochloroacetic acid | Unavailable | 2018-12-17 |
| CS003032 | bromochloromethane | A one-carbon compound substituted by a chloro and a bromo group. | 2016-07-26 |
| CS004443 | bromocyclen | An organochlorine compound with molecular formula C8H5BrCl6. | 2022-06-23 |
| CS003736 | bromodichloroacetic acid | Unavailable | 2018-12-17 |
| CS003035 | bromodichloromethane | A one-carbon compound that is methane substituted by a bromo and two chloro groups. | 2016-07-26 |
| CS002957 | bromoiodomethane | Unavailable | 2016-05-02 |
| CS003278 | bromomethane | Unavailable | 2017-06-30 |
| CS004238 | bromophos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004236 | bromophos-ethyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004105 | bromopropylate | Chemical substance used as an acaricide. | 2021-08-25 |
| CS004071 | bromoxynil | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004111 | bromuconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003273 | butane | Unavailable | 2017-06-30 |
| CS004072 | butralin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004521 | butyl diphenyl phosphate | A phosphorus flame retardant with molecular formula C16H19O4P. | 2024-02-16 |
| CS002363 | cadmium | Unavailable | 2015-09-10 |
| CS003415 | cadmium-111 | An isotope of chemical element cadmium | 2017-08-02 |
| CS003344 | cadmium-112 | A stable isotope of the chemical element cadmium. | 2017-07-06 |
| CS003065 | cadmium-114 | An isotope of the chemical element cadmium. | 2017-02-01 |
| CS004112 | cadusafos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003115 | caesium | A chemical element from the alkali metal group with atomic number is 55. Also known as 'cesium'. | 2021-05-17 |
| CS002763 | caesium-134 | An isotope of the chemical element caesium | 2015-11-11 |
| CS002370 | caesium-137 | Unavailable | 2015-09-10 |
| CS004270 | caffeine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004469 | calcite | A carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). | 2023-06-19 |
| CS002921 | calcium | One of six chemical elements classified as an alkaline earth metal. Its atomic number is 20. | 2021-05-17 |
| CS004359 | calcium (expressed as calcium oxide) | Pending. | 2022-04-05 |
| CS003129 | calcium carbonate | A calcium salt with formula CCaO3. | 2017-06-28 |
| CS003345 | calcium oxide | Also known as quicklime. | 2017-07-06 |
| CS001593 | campest-5en-3beta-ol | Unavailable | 2015-09-03 |
| CS003276 | canthaxanthin | Unavailable | 2017-06-29 |
| CS003284 | captan | Unavailable | 2017-06-29 |
| CS003041 | car-3-ene | A monoterpene. | 2016-07-26 |
| CS003959 | carbamazepine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004243 | carbaryl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004295 | carbendazim | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004242 | carbetamide | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004073 | carbofuran | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003465 | carbohydrates | A mixture of moelcules containing only carbon, hydrogen and oxygen atoms prior to any oxidation or reduction generally having the empirical formula Cm(H2O)n. | 2017-08-09 |
| CS002836 | carbon | The chemical element carbon. | 2016-02-26 |
| CS003089 | carbon dioxide | Unavailable | 2017-03-20 |
| CS004373 | carbon dioxide (expressed as carbon) | Pending. | 2022-06-13 |
| CS003347 | carbon disulfide | Unavailable | 2017-07-06 |
| CS003002 | carbon monoxide | Unavailable | 2016-05-02 |
| CS002837 | carbon-13 | An isotope of the chemical element carbon. | 2016-02-26 |
| CS002872 | carbon-13 in bicarbonate | An isotope of the chemical element carbon in the bicarbonate molecule. | 2016-03-07 |
| CS002874 | carbon-13 in brassicasterol | An isotope of the chemical element carbon in the brassicasterol molecule. | 2016-03-07 |
| CS002865 | carbon-13 in carbon dioxide | An isotope of the chemical element carbon in the carbon dioxide molecule. | 2016-03-07 |
| CS002853 | carbon-13 in carbonate | An isotope of the chemical element carbon in the carbonate molecule. | 2016-02-29 |
| CS002873 | carbon-13 in cholesterol | An isotope of the chemical element carbon in the cholesterol molecule. | 2016-03-07 |
| CS002863 | carbon-13 in inorganic carbon | An isotope of the chemical element carbon in inorganic carbon. | 2016-03-22 |
| CS002868 | carbon-13 in methane | An isotope of the chemical element carbon in the methane molecule. | 2016-03-07 |
| CS002862 | carbon-13 in organic carbon | An isotope of the chemical element carbon in organic carbon. | 2016-03-22 |
| CS002871 | carbon-13 in total carbon | An isotope of the chemical element carbon in total carbon. | 2016-03-22 |
| CS003012 | carbon-14 | A radioactive isotope of the chemical element carbon; also known as radiocarbon. | 2017-07-06 |
| CS003277 | carbonate | Unavailable | 2017-06-30 |
| CS003501 | carbonate-associated and surface absorbed copper | Copper classified as being bound in carbonate or surface associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003507 | carbonate-associated and surface absorbed total iron | Iron in all oxidation states classified as being bound in carbonate or surface associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003470 | carbonate-associated and surface absorbed total manganese | Manganese in all oxidation states classified as being bound in carbonate or surface associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003271 | carbonyl sulfide | Unavailable | 2022-10-24 |
| CS004166 | carbophenothion | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004113 | carbosulfan | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004205 | carboxyhomoyessotoxin | A biotoxin. | 2021-08-25 |
| CS004035 | carboxyyessotoxin | A biotoxin. | 2021-08-25 |
| CS003772 | carotene | A generic term for a group of photosynthetic pigments having the formula C40Hx. | 2019-03-26 |
| CS003773 | carotene+phaeophytin | A unresolved mixture of carotene and phaeophytin pigments. | 2019-03-26 |
| CS004041 | catalase | An enzyme. | 2021-08-25 |
| CS002783 | cerium | A Rare Earth Element (REE) | 2015-12-15 |
| CS004053 | cetirizine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002881 | chemically combined water | Water that is chemically attached to materials e.g. clay and is only removed by exposure to high temperatures. | 2016-03-08 |
| CS002882 | chemically uncombined water | Water that is not chemically attached to materials e.g. clay and can be easily separated from the material. | 2016-03-08 |
| CS003348 | chlordane | A chemical compound classified as a persistent organic pollutant. | 2017-07-06 |
| CS004247 | chlordecone | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004040 | chlordecone alcohol | An organochloride compound. | 2021-08-25 |
| CS001201 | chlorfenvinphos | Unavailable | 2015-09-03 |
| CS001208 | chloridazon | Unavailable | 2015-09-03 |
| CS004400 | chloridazone-methyl-desphenyl | A pyridazinone with molecular formula C5H6ClN3O. | 2022-06-21 |
| CS002905 | chloride | Unavailable | 2016-05-02 |
| CS003294 | chlorine | Unavailable | 2017-06-30 |
| CS004019 | chlormephos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003834 | chlormequat chloride | Unavailable | 2020-07-06 |
| CS003745 | chloroacetic acid | An organochlorine compound. | 2018-12-18 |
| CS003732 | chloroalkanes C10-13 | Short-chain chlorinated paraffins (SCCP) with molecular formula of the form CxH(2x-y+2)Cly, where x = 10-13 and y = 1-13. | 2018-10-23 |
| CS004379 | chloroalkanes C14-17 | Medium-chain chlorinated paraffins (MCCP) with molecular formula of the form CxH(2x-y+2)Cly, where x = 14-17 and y = 1-17. | 2022-06-17 |
| CS004516 | chloroalkanes C18-28 | Long-chain chlorinated paraffins (SCCP) with molecular formula of the form CxH(2x-y+2)Cly, where x = 18-28 and y = 1-28. | 2024-02-16 |
| CS003286 | chlorobenzene | Unavailable | 2017-06-29 |
| CS003737 | chlorodibromoacetic acid | Unavailable | 2018-12-17 |
| CS003349 | chloroethane | Also known as ethyl chloride. | 2017-07-06 |
| CS003350 | chloroethene | Also known as vinyl chloride (VC). | 2017-07-06 |
| CS002930 | chloroiodomethane | Unavailable | 2016-05-02 |
| CS003351 | chloromethane | Also known as methyl chloride. | 2017-07-06 |
| CS003352 | chlorophenylmethane | Unavailable | 2017-07-06 |
| CS003268 | chlorophyll | Unavailable | 2017-06-30 |
| CS003777 | chlorophyll+phaeopigments | An unresolved mixture of chlorophyll pigments, pheophytins and pheophorbides. | 2019-03-26 |
| CS002896 | chlorophyll-a | A photosynthetic pigment common to all oxygenic photosynthetic organisms. | 2016-04-12 |
| CS003775 | chlorophyll-a+divinyl chlorophyll-a | An unresolved mixture or the sum of monovinyl and divinyl chlorophyll-a pigments. | 2019-05-21 |
| CS003774 | chlorophyll-a+phaeophorbides | An unresolved mixture of chlorophyll-a and pheophorbides. | 2019-03-26 |
| CS003006 | chlorophyll-b | Unavailable | 2016-05-02 |
| CS003780 | chlorophyll-b+divinyl chlorophyll-b | An unresolved mixture or the sum of chlorophyll b and divinyl chlorophyll b pigments. | 2019-05-21 |
| CS002741 | chlorophyll-c | A mixture of compounds described as chlorophyll-c subtypes. Three main types - c1, c2 and c3 - are frequently mentioned but at least 8 other subtypes have been reported. | 2015-09-28 |
| CS000004 | chlorophyll-c1 | A common form of chlorophyll-c. It differs from chlorophyll-c2 in its C8 group, having an ethyl group instead of vinyl group (C-C single bond instead of C=C double bond). | 2015-08-20 |
| CS003776 | chlorophyll-c1+c2 | An unresolved mixture or the sum of the chlorophyll c1 and c2 pigments. | 2019-03-26 |
| CS002748 | chlorophyll-c2 | A compound that is a subtype of chlorophyll-c. | 2015-09-28 |
| CS003660 | chlorophyll-c2 monogalactosyldiacylglyceride ester (C. polylepis type) | An esterified chlorophyll-c2 pigment identified using chemotaxonomic techniques as being of the type found in the haptophyte Chrysochromulina polylepis. | 2018-02-27 |
| CS003662 | chlorophyll-c2 monogalactosyldiacylglyceride ester (E. huxleyi type) | An esterified chlorophyll-c2 pigment identified using chemotaxonomic techniques as being of the type found in the haptophyte Emiliania huxleyi. | 2018-02-27 |
| CS003663 | chlorophyll-c2 monogalactosyldiacylglyceride ester (unidentified haptophyte) | An esterified chlorophyll-c2 pigment beloging to an as yet unidentified haptophyte. | 2018-02-27 |
| CS003661 | chlorophyll-c2-like pigment | An uncharacterized type of chlorophyll-c2 pigment. | 2018-02-27 |
| CS002755 | chlorophyll-c3 | A compound that is a subtype of chlorophyll-c. | 2015-09-28 |
| CS002942 | chlorophyllide-a | Unavailable | 2016-05-02 |
| CS002983 | chlorophyllide-b | Unavailable | 2016-05-02 |
| CS004345 | chloroprene | A volatile halocarbon used as a monomer in the fabrication of synthetic rubber (neoprene). | 2021-08-25 |
| CS004090 | chlorothalonil | Chemical substance used as a fongicide. | 2021-08-25 |
| CS003901 | chloroxuron | Unavailable | 2020-07-06 |
| CS004274 | chlorpromazine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS001600 | chlorpropham | Unavailable | 2015-09-03 |
| CS003289 | chlorpyrifos | Unavailable | 2017-06-29 |
| CS001215 | chlorpyrifos-methyl | Unavailable | 2015-09-03 |
| CS004085 | chlorsulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004138 | chlorthal-dimethyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS001222 | chlortoluron | A herbicide. | 2020-06-30 |
| CS000326 | cholest-5-en-3beta-ol | Unavailable | 2015-09-03 |
| CS003285 | cholesta-5,22-dien-3beta-ol | Unavailable | 2017-06-30 |
| CS003598 | cholesta-5-3n-3beta-ol | 27-carbon sterol of interest as a biomarker. | 2017-08-09 |
| CS003455 | choline esterase inhibitors | A group of pharmaceuticals that block the normal breakdown of acetylcholine. | 2017-08-09 |
| CS002377 | chromium | Unavailable | 2015-09-10 |
| CS003353 | chromium, hexavalent | A chromium cation with a net charge of +6. | 2017-07-06 |
| CS003354 | chromium, trivalent | A chromium cation with a net charge of +3; also known as chromic ion. | 2017-07-06 |
| CS003422 | chromium-52 | An isotope of chemical element chromium | 2017-08-02 |
| CS003676 | chromium-53 | An isotope of chemical element chromium. | 2018-05-17 |
| CS004048 | chrysen-1-ol | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS002384 | chrysene | Unavailable | 2015-09-10 |
| CS002838 | chrysene + triphenylene | A mixture of polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2016-02-26 |
| CS000333 | cis-1,2-dichloroethene | Unavailable | 2015-09-03 |
| CS003355 | cis-1,3-dichloropropene | Unavailable | 2017-07-06 |
| CS003459 | cis-10,cis-13-hexadecadienoic acid | A hexadecadienoic (16-carbon) polyunsaturated fatty acid having cis double bonds in the 10 and 13-positions. | 2017-08-09 |
| CS003281 | cis-10-heptadecenoic acid | Unavailable | 2017-06-30 |
| CS003280 | cis-10-pentadecenoic acid | Unavailable | 2017-06-30 |
| CS003279 | cis-11 eicosenoic acid | Unavailable | 2017-06-29 |
| CS002952 | cis-11,cis-14,cis-17-eicosatrienoic acid | Unavailable | 2016-05-02 |
| CS002391 | cis-11,cis-14-eicosadienoic acid | A polyunsaturated omega-6 fatty acid. | 2016-02-26 |
| CS002839 | cis-11-docosenoic acid | A docosenoic (22-carbon) monounsaturated fatty acid having a cis double bond at position 11. | 2017-08-09 |
| CS002398 | cis-11-eicosenoic acid | A monounsaturated omega-9 fatty acid. | 2016-02-26 |
| CS002840 | cis-11-hexadecenoic acid | A monounsaturated omega-7 fatty acid. | 2016-02-26 |
| CS003528 | cis-11-nonadecenoic acid | A nonadecenoic (19-carbon) monounsaturated fatty acid having a cis double bond at position 11. | 2017-08-09 |
| CS002841 | cis-11-octadecenoic acid | A monounsaturated omega-9 fatty acid. | 2016-02-26 |
| CS003552 | cis-12,cis15-octadecadienoic acid | An octadecadienoic (18-carbon) polyunsaturated fatty acid having cis double bonds in the 12 and 15-positions. | 2017-08-09 |
| CS003449 | cis-13,cis-16,cis-19-docosatrienoic acid | A docosatrienenoic (22-carbon) polyunsaturated fatty acid having a cis double bonds in the 13, 16 and 19-positions. | 2017-08-09 |
| CS002966 | cis-13,cis-16-docosadienoic acid | Unavailable | 2016-05-02 |
| CS000340 | cis-13-docosenoic acid | A monounsaturated omega-9 fatty acid. | 2016-02-26 |
| CS002842 | cis-13-eicosenoic acid | A monounsaturated omega-9 fatty acid. | 2016-02-26 |
| CS002843 | cis-13-tetracosenoic acid | A monounsaturated fatty acid. | 2016-02-26 |
| CS003450 | cis-15-docosenoic acid | A docosenoic (22-carbon) monounsaturated fatty acid having a cis double bond at position 15. | 2017-08-09 |
| CS003457 | cis-15-hexacosenoic acid | A hexacosenoic (26-carbon) monounsaturated fatty acid having a cis double bond at position 15. | 2017-08-09 |
| CS000347 | cis-15-tetracosaenoic acid | Unavailable | 2015-09-03 |
| CS003458 | cis-17-hexacosenoic acid | A hexacosenoic (26-carbon) monounsaturated fatty acid having a cis double bond at position 17. | 2017-08-09 |
| CS003274 | cis-2-butene | Unavailable | 2017-06-29 |
| CS003292 | cis-2-pentene | Unavailable | 2017-06-29 |
| CS003553 | cis-3,cis-6,cis-9,cis-12,cis-15 octadecapentaenoic acid | An octadecapentaenoic (18-carbon) polyunsaturated fatty acid having cis double bonds in the 3, 6, 9, 12 and 15-positions. | 2017-08-09 |
| CS003554 | cis-3,cis-6,cis-9,cis-12-octadecatetraenoic acid | An octadecatetraenoic (18-carbon) polyunsaturated fatty acid having cis double bonds in the 3, 6, 9 and 12-positions. | 2017-08-09 |
| CS003550 | cis-3-eicosenoic acid | An eicosenoic (20-carbon) monounsaturated fatty acid having a cis double bond at position 3. | 2017-08-09 |
| CS002405 | cis-4,cis-7,cis-10,cis-13,cis-16,cis-19-docosahexaenoic acid | A polyunsaturated omega-3 fatty acid. | 2016-02-26 |
| CS003264 | cis-5, cis-8,cis-11, cis-14 eicosatetraenoic acid | Unavailable | 2017-06-29 |
| CS000354 | cis-5,cis-8,cis-11,cis-14,cis-17-eicosapentaenoic acid | A polyunsaturated omega-3 fatty acid. | 2016-02-26 |
| CS000361 | cis-5,cis-8,cis-11,cis-14-eicosatetraenoic acid | A polyunsaturated omega-6 fatty acid. | 2016-02-26 |
| CS002844 | cis-6,cis-9,cis-12,cis-15,cis-18-heneicosapentaenoic acid | A polyunsaturated omega-3 fatty acid. | 2016-02-26 |
| CS002845 | cis-6,cis-9,cis-12,cis-15-hexadecatetraenoic acid | A fatty acid. | 2016-02-26 |
| CS002846 | cis-6,cis-9,cis-12,cis-15-octadecatetranoic acid | A fatty acid. | 2016-02-26 |
| CS000368 | cis-6,cis-9,cis-12-octadecatrienoic acid | A fatty acid. | 2016-02-26 |
| CS003555 | cis-6-octadecenoic acid | An octadecenoic (18-carbon) monounsaturated fatty acid having a cis double bond at position 6. | 2017-08-09 |
| CS003460 | cis-7,cis-10,cis-13,cis-15 hexadecatetraenoic acid | A hexadecatetraenoic (16-carbon) polyunsaturated fatty acid having cis double bonds in the 7, 10, 13 and 15-positions. | 2017-08-09 |
| CS002847 | cis-7,cis-10,cis-13,cis-16,cis-19-docosapentaenoic acid | A polyunsaturated omega-3 fatty acid. | 2016-02-26 |
| CS003448 | cis-7,cis-10,cis-13,cis-16-docosatetraenoic acid | A docosatetraenenoic (22-carbon) polyunsaturated fatty acid having a cis double bonds in the 7, 10, 13 and 16-positions. | 2017-08-09 |
| CS002848 | cis-7,cis-10,cis-13,cis-16-hexadecatetranoic acid | A fatty acid. | 2016-02-26 |
| CS003461 | cis-7,cis-10,cis-13-hexadecatrienoic acid | A hexadecatrienoic (16-carbon) polyunsaturated fatty acid having cis double bonds in the 7, 10 and 13-positions. | 2017-08-09 |
| CS002849 | cis-7-hexadecenoic | A monounsaturated omega-7 fatty acid. | 2016-02-26 |
| CS003265 | cis-8, cis-11, cis-14 eicosatrienoic acid | Unavailable | 2017-06-29 |
| CS002850 | cis-8,cis-11,cis-14,cis-17-eicosatetraenoic acid | A polyunsaturated omega-3 fatty acid. | 2016-02-26 |
| CS002913 | cis-8,cis-11,cis-14-eicosatrienoic acid | Unavailable | 2016-05-02 |
| CS002412 | cis-9,cis-12,cis-15-octadecatrienoic acid | A polyunsaturated omega-3 fatty acid. | 2016-02-26 |
| CS002419 | cis-9,cis-12-octadecadienoic acid | A polyunsaturated omega-6 fatty acid. | 2016-02-26 |
| CS002851 | cis-9-eicosenoic acid | An unsaturated fatty acid. | 2016-02-26 |
| CS003456 | cis-9-heptadecenoic acid | A heptadecenoic (17-carbon) monounsaturated fatty acid having a cis double bond at position 9. | 2017-08-09 |
| CS002426 | cis-9-hexadecenoic acid | A monounsaturated omega-7 fatty acid. | 2016-02-26 |
| CS003529 | cis-9-nonadecenoic acid | A nonadecenoic (19-carbon) monounsaturated fatty acid having a cis double bond at position 9. | 2017-08-09 |
| CS002433 | cis-9-octadecenoic acid | A monounsaturated omega-9 fatty acid. | 2016-02-26 |
| CS002940 | cis-9-tetradecenoic acid | Unavailable | 2016-05-02 |
| CS002440 | cis-heptachlor epoxide | Unavailable | 2015-09-10 |
| CS004449 | cis-nonachlor | An organochlorine compound with molecular formula C10H5Cl9. | 2022-06-23 |
| CS003275 | cis-permethrin | Unavailable | 2017-06-29 |
| CS004548 | citalopram | A racemate comprising equimolar amounts of (R)-citalopram and its enantiomer, escitalopram. It is used as an antidepressant, although only escitalopram is active. It has a molecular formula C20H21FN2O. | 2024-05-02 |
| CS004426 | clarithromycin | An antibiotic with molecular formula C38H69NO13. | 2022-06-21 |
| CS004298 | clenbuterol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003967 | clofibric acid | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004126 | clomazone | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004054 | clonazepam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004299 | clopidogrel | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003862 | clopyralid | Unavailable | 2020-07-06 |
| CS003892 | clothianidin | Unavailable | 2020-07-06 |
| CS004269 | clotrimazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002447 | cobalt | A chemical element from the transition metal group with atomic number is 27. | 2021-05-17 |
| CS002764 | cobalt-58 | An isotope of the chemical element cobalt | 2015-11-11 |
| CS003424 | cobalt-59 | An isotope of chemical element cobalt | 2017-08-02 |
| CS002765 | cobalt-60 | An isotope of the chemical element cobalt | 2015-11-11 |
| CS003082 | cobalt-complexing organic ligands | A mixture of organic molecules with the potential to form stable complexes with cobalt in aqueous solution | 2017-02-20 |
| CS003324 | coloured dissolved organic matter | The optically measurable component of the dissolved organic matter in water also known as chromophoric DOM or yellow substance. | 2017-06-30 |
| CS004551 | coloured dissolved organic matter expressed as quinine sulphate equivalent | The optically measurable component of coloured (chromophoric) dissolved organic matter (CDOM) that fluoresces when excited with near ultra-violet (UV) light. | 2024-09-02 |
| CS002454 | copper | Unavailable | 2015-09-10 |
| CS003425 | copper-63 | An isotope of chemical element copper | 2017-08-02 |
| CS003083 | copper-complexing organic ligands | A mixture of organic molecules with the potential to form stable complexes with copper in aqueous solution | 2017-02-20 |
| CS003700 | coronene | A polycyclic aromatic hydrocarbon. | 2018-05-24 |
| CS000375 | coumaphos | Unavailable | 2015-09-03 |
| CS003826 | crimidine | Unavailable | 2020-07-06 |
| CS003633 | crocoxanthin | A carotenoid pigment with chemical formula C40H54O found in Crytomonads. | 2018-01-15 |
| CS003809 | cyanazine | Unavailable | 2020-07-06 |
| CS002083 | cyclopenta(c,d)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003810 | cyfluthrin | Unavailable | 2020-07-06 |
| CS004074 | cymoxanil | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003844 | cypermethrin | Unavailable | 2020-07-06 |
| CS004104 | cyproconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004086 | cyprodinil | Chemical substance used as a fongicide. | 2021-08-25 |
| CS004137 | cyromazine | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003390 | cysteine | An amino acid with the formula C3H7NO2S. | 2017-07-26 |
| CS000382 | decabromodiphenyl ether | Unavailable | 2015-09-03 |
| CS004200 | decahydronaphthalene | A polycyclic aromatic hydrocarbon used as a solvent. | 2021-08-25 |
| CS004514 | decamethylcyclopentasiloxane | An organosilicon compound and a cyclosiloxane with molecular formula C10H30O5Si5. | 2024-02-16 |
| CS003287 | decane | Unavailable | 2017-06-30 |
| CS000389 | decanedioic acid | Unavailable | 2015-09-03 |
| CS004540 | dechlorane 601 | A polychlorinated compound used as a flame retardant and pesticide with molecular formula C20H12Cl12. | 2024-02-16 |
| CS004541 | dechlorane 602 | A polychlorinated compound used as a flame retardant and pesticide with molecular formula C14H4Cl12O. | 2024-02-16 |
| CS004542 | dechlorane 603 | A polychlorinated compound used as a flame retardant and pesticide with molecular formula C17H8Cl12. | 2024-02-16 |
| CS004543 | dechlorane 604 | A polychlorinated compound used as a flame retardant and pesticide with molecular formula C13H4Br4Cl6. | 2024-02-16 |
| CS004254 | deisopropylatrazine | A marine xenobiotic metabolite derived from the herbicide atrazine. | 2021-08-25 |
| CS000396 | delta-hexachlorocyclohexane | Unavailable | 2015-09-03 |
| CS000403 | deltamethrin | Unavailable | 2015-09-03 |
| CS000410 | demeton-s | Unavailable | 2015-09-03 |
| CS000417 | demeton-s-methyl | Unavailable | 2015-09-03 |
| CS002909 | deoxyribonucleic acid | Unavailable | 2016-05-02 |
| CS003817 | desethyl desisopropyl-atrazine | Unavailable | 2020-07-06 |
| CS004221 | desmethyl microcystin RR | A biotoxin with molecular formula C48H73N13O12 belonging to the microcytin group, a group of toxins produced by Cyanobacteria (cyanotoxin). | 2021-08-25 |
| CS004475 | desmethyl-3-microcystin RR | A biotoxin. | 2023-10-11 |
| CS004239 | desmetryn | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003900 | desphenyl chloridazon | Unavailable | 2020-07-06 |
| CS003356 | deuterium | A stable isotope of the chemical element hydrogen; also known as heavy hydrogen or represented by the alternative symbol D. | 2017-07-06 |
| CS003386 | deuterium in water molecules | An isotope of hydrogen in the water molecule. | 2017-07-07 |
| CS004302 | dextropropoxyphene | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004482 | di-n-hexyl phthalate | An organic compound with formula C20H30O4 belonging to a group of chemicals used to make plastics more durable. Phthalates are esters of phthalic acid. | 2023-11-20 |
| CS003831 | di-n-octyl phthalate | Unavailable | 2020-07-06 |
| CS003832 | di-n-propyl phthalate | Unavailable | 2020-07-06 |
| CS003453 | diacylglyceryl-N,N,N-trimethylhomoserine | A glycerolipid. | 2017-08-09 |
| CS003443 | diacylglycerylcarboxyhydroxymethylcholine | A betaine lipid found in marine algae. | 2017-08-09 |
| CS003442 | diacylglycerylhydroxymethyltrimethyl-beta-alanine | A betaine lipid found in brown marine algae. | 2017-08-09 |
| CS002943 | diadinoxanthin | Unavailable | 2016-05-02 |
| CS003007 | diatoxanthin | Unavailable | 2016-05-02 |
| CS003965 | diazepam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS000424 | diazinon | Unavailable | 2015-09-03 |
| CS003996 | dibenz[a,j]anthracene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS004199 | dibenzo(a,c)anthracene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS002090 | dibenzo(a,e)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002048 | dibenzo(a,h)anthracene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002097 | dibenzo(a,h)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002104 | dibenzo(a,i)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002111 | dibenzo(a,l)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004488 | dibenzofuran | A mancude organic heterotricyclic parent that consists of a furan ring flanked by two benzene rings ortho-fused across the 2,3- and 4,5-positions. | 2024-02-16 |
| CS002461 | dibenzothiophene | Unavailable | 2023-12-15 |
| CS003738 | dibromoacetic acid | Unavailable | 2018-12-17 |
| CS003739 | dibromoacetonitrile | Unavailable | 2018-12-17 |
| CS004539 | dibromoaldrin | A chlorinated paraffin (CP) used as a flame retardant and plasticizer, with molecular formula C12H8Br2Cl6. | 2024-02-16 |
| CS003036 | dibromochloromethane | An organochlorine compound. | 2016-07-26 |
| CS003754 | dibromoethane | Organic compound with the formula C2H4Br2. | 2019-02-25 |
| CS003034 | dibromomethane | A member of the class of bromomethanes that is methane substituted by two bromo groups. It is produced by marine algae. | 2016-07-26 |
| CS004522 | dibutyl phenyl phosphate | A phosphorus flame retardant with molecular formula C14H23O4P. | 2024-02-26 |
| CS003889 | dibutyl phthalate | Unavailable | 2020-07-06 |
| CS000431 | dibutyltin | Unavailable | 2015-09-03 |
| CS003795 | dibutyltin (expressed as cation) | Organotin compound with molecular formula C8H18Sn, also known as dibutylstannane. The term "expressed as cation" indicates that the molecular weight used to convert moles to mass is the molecular weight of the cation. | 2019-12-20 |
| CS003620 | dibutyltin (expressed as tin) | Organotin compound with molecular formula C8H18Sn, also known as dibutylstannane. The term "expressed as tin" indicates that the molecular weight used to convert moles to mass is the atomic weight of Sn. | 2019-12-20 |
| CS003891 | dicamba | Unavailable | 2020-07-06 |
| CS003808 | dichlobenil | Unavailable | 2020-07-06 |
| CS003882 | dichlofluanid | Unavailable | 2020-07-06 |
| CS003740 | dichloroacetic acid | An organochlorine compound. | 2018-12-18 |
| CS003741 | dichloroacetonitrile | Unavailable | 2018-12-17 |
| CS002929 | dichlorodifluoromethane | Unavailable | 2016-05-02 |
| CS003270 | dichloromethane | Unavailable | 2017-06-29 |
| CS001124 | dichloroprop | Unavailable | 2015-09-03 |
| CS003899 | dichloroprop-P | Unavailable | 2020-07-06 |
| CS003283 | dichlorvos | Unavailable | 2017-06-29 |
| CS003881 | diclofenac | A non-steroidal anti-inflammatory drug. | 2020-10-17 |
| CS003784 | dicofol | An organochlorine pesticide that is structurally similar and related to DDT. | 2019-04-11 |
| CS003877 | dicyclohexyl phthalate | Unavailable | 2020-07-06 |
| CS002468 | dieldrin | Unavailable | 2015-09-10 |
| CS003812 | diethyl phthalate | Unavailable | 2020-07-06 |
| CS004287 | diethylamine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004028 | diethyllead | An organometallic compound. | 2021-08-25 |
| CS003759 | diethylstilbestrol | An oestrogen medication with formula C18H20O2. | 2019-03-09 |
| CS004286 | difenoconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004139 | difethialone | Chemical substance used as a rodenticide. | 2021-08-25 |
| CS004172 | diflubenzuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003827 | diflufenican | Unavailable | 2020-07-06 |
| CS003451 | digalactosyl-diacylglycerol | A galactolipid (i.e. glycolipid with galactose as the sugar group) found in abundance in plants and algae photosynthetic organelles. | 2017-08-09 |
| CS004481 | diheptyl phthalate | An organic compound with formula C22H34O4 belonging to a group of chemicals used to make plastics more durable. Phthalates are esters of phthalic acid. | 2023-11-20 |
| CS002928 | diiodomethane | Unavailable | 2016-05-02 |
| CS003875 | diisobutyl phthalate | Unavailable | 2020-07-06 |
| CS004229 | dimefuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003798 | dimethachlor | Unavailable | 2020-07-06 |
| CS004103 | dimethenamid | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003814 | dimethenamid-P | Unavailable | 2020-07-06 |
| CS000438 | dimethoate | Unavailable | 2015-09-03 |
| CS004087 | dimethomorph | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003467 | dimethyl arsenic | A mixture of one or more componds containing arsenic plus two methyl groups. | 2017-08-09 |
| CS003291 | dimethyl diselenide | Unavailable | 2017-06-29 |
| CS003876 | dimethyl phthalate | Unavailable | 2020-07-06 |
| CS003446 | dimethyl selenenyl sulfide | A compound containing two methyl groups a sulphur atom and a selenium atom. | 2022-10-24 |
| CS003269 | dimethyl selenide | Unavailable | 2017-06-29 |
| CS002982 | dimethyl sulfide | Unavailable | 2022-10-24 |
| CS003524 | dimethyl sulfide+dimethylsulfoniopropionate | A mixture of two organosulphur compounds. | 2022-10-24 |
| CS002955 | dimethylamine | Unavailable | 2016-05-02 |
| CS004142 | dimethylchrysenes | Mixture (or sum) of the undifferentiated isomers of the methylchrysene with chemical formula C20H16. | 2021-08-25 |
| CS003090 | dimethylmercury | An organomercury compound. | 2017-04-03 |
| CS003495 | dimethylnaphthalenes | Mixture or sum of the undifferentiated isomers of napthalene (two fused benzene rings) with two methyl groups attached with chemical formula C12H12. | 2021-08-18 |
| CS003519 | dimethylphenanthrenes | A mixture of the isomers of phenanthrene (three fused benzene rings) with two methyl groups attached. | 2017-08-09 |
| CS000445 | dimethylsulfoniopropionate | Unavailable | 2022-10-24 |
| CS003503 | dimethylsulfoniopropionate lyase | Enzymes that cleave DMSP into DMS plus other organic compounds. | 2022-10-24 |
| CS002912 | dimethylsulfoxide | Unavailable | 2022-10-24 |
| CS003972 | dimoxystrobin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002756 | dinitrogen | Molecular nitrogen. | 2015-09-29 |
| CS004237 | dinocap | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004161 | dinophysistoxin-1 (free) | A biotoxin. | 2021-08-25 |
| CS004013 | dinophysistoxin-1 (total) | A biotoxin. | 2021-08-25 |
| CS004010 | dinophysistoxin-2 (free) | A biotoxin. | 2021-08-25 |
| CS004011 | dinophysistoxin-2 (total) | A biotoxin. | 2021-08-25 |
| CS002932 | dinoxanthin | Unavailable | 2016-05-02 |
| CS004381 | dioctyltin (expressed as cation) | An organotin with molecular formula C16H34Sn. | 2022-06-17 |
| CS004000 | diosgenin | An organic compound belonging to the group of the sterols or steroids. | 2021-08-25 |
| CS003432 | dioxin-like polychlorobiphenyls | A mixture of 12 polychlorinated biphenyl congeners with similar environmental toxicity to the dioxins. The 12 PCBs are: PCB77 PCB81 PCB105 PCB114 PCB118 PCB123 PCB126 PCB156 PCB157 PCB167 PCB169 PCB189. | 2020-04-09 |
| CS003783 | dioxins and dioxin-like compounds | A mixture of dioxins and compounds with dioxin-like properties. It includes the compound 1,4 dioxin plus 75 congeners of polychlorinated dibenzo-p-dioxins (PCDDs or simply dioxins) derived from dibenzo-p-dioxin plus 10 isomers of polychlorinated dibenzofurans (PCDFs), or furans, derived from dibenzofuran plus 12 congeners of polychlorinated/polybrominated biphenyls (PCBs/PBBs), derived from biphenyl. | 2019-04-11 |
| CS004156 | dipentyl phthalate | An organic compound with formula C18H26O4 belonging to a group of chemicals used to make plastics more durable. Phthalates are esters of phthalic acid. | 2021-08-25 |
| CS000452 | diphenyltin | Unavailable | 2015-09-03 |
| CS003903 | diphenyltin (expressed as cation) | Organotin compound with molecular formula C12H10Sn with two benzene rings bound to an atom of tin. The term 'expressed as cation' indicates that the molecular weight used to convert moles to mass is the molecular weight of the cation. | 2020-09-03 |
| CS003626 | diphenyltin (expressed as tin) | Unavailable | 2017-12-14 |
| CS004055 | disopyramide | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS000459 | dithianon | Unavailable | 2015-09-03 |
| CS003860 | diundecyl phthalate | Unavailable | 2020-07-06 |
| CS003293 | diuron | An herbicide also known as DCMU. | 2019-04-15 |
| CS004120 | diuron-desmethyl | A phenylurea compound. | 2021-08-25 |
| CS003781 | divinyl chlorophyll-a | A type of chlorophyll pigment. | 2019-05-21 |
| CS003782 | divinyl chlorophyll-b | A type of chlorophyll pigment. | 2019-05-21 |
| CS000466 | docosan-1-ol | Unavailable | 2015-09-03 |
| CS000473 | docosane | Unavailable | 2015-09-03 |
| CS000480 | docosanedioic acid | Unavailable | 2015-09-03 |
| CS002475 | docosanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS003536 | docosenoic acids | A straight-chain 22-carbon monounsaturated fatty acid. The double bond may be in any feasible position in the chain. May also describe a mixture of isomers fitting this description. | 2017-08-09 |
| CS004515 | dodecamethylcyclohexasiloxane | An organosilicon compound and a cyclosiloxane with molecular formula C12H36O6Si6. | 2024-02-16 |
| CS000487 | dodecan-1-ol | Unavailable | 2015-09-03 |
| CS003288 | dodecane | Unavailable | 2017-06-30 |
| CS000494 | dodecanedioic acid | Unavailable | 2015-09-03 |
| CS000501 | dodecanoic acid | Unavailable | 2015-09-03 |
| CS003958 | dodecyl-phenol | A phenol derived from the manufacturing or the pharmaceutical industry. | 2021-08-25 |
| CS000508 | dodine | Unavailable | 2015-09-03 |
| CS004234 | domoic acid | A biotoxin that causes amnesic shelfish poisoning (ASP). | 2023-10-11 |
| CS004215 | domoic acid and epidomoic acid | A biotoxin. | 2021-08-25 |
| CS000515 | dotriacontan-1-ol | Unavailable | 2015-09-03 |
| CS000522 | dotriacontane | Unavailable | 2015-09-03 |
| CS000529 | dotriacontanoic acid | Unavailable | 2015-09-03 |
| CS003990 | doxepin | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004410 | doxycycline | A tetracycline-class antibiotic with molecular formula C22H24N2O8. | 2022-06-21 |
| CS004195 | drospirenone | An organic compound belonging to the group of the sterols or steroids. | 2021-08-25 |
| CS002784 | dysprosium | A Rare Earth Element (REE) | 2015-12-15 |
| CS003500 | easily-reducible copper | Copper classified as being bound in easily reducible associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003506 | easily-reducible total iron | Iron in all oxidation states classified as being bound in easily reducible associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003512 | easily-reducible total manganese | Manganese in all oxidation states classified as being bound in easily reducible associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003310 | echinenone | Unavailable | 2017-06-29 |
| CS004001 | econazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS000536 | eicosane | Unavailable | 2015-09-03 |
| CS002482 | eicosanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS002799 | eicosenoic acid | Eicosenoic acid may refer to one of three closely related chemical compounds: 9-Eicosenoic acid (gadoleic acid), an omega-11 fatty acid; 11-Eicosenoic acid (gondoic acid), an omega-9 fatty acid; 13-Eicosenoic acid (paullinic acid), an omega-7 fatty acid. | 2016-02-26 |
| CS003117 | elemental mercury | Elemental mercury of oxidation state zero. | 2017-04-21 |
| CS003318 | endosulfan | Unavailable | 2017-06-29 |
| CS003625 | endosulfan sulfate | Unavailable | 2017-12-14 |
| CS002489 | endrin | Unavailable | 2015-09-10 |
| CS004445 | endrin ketone | An organochlorine compound with molecular formula C12H8Cl6O. | 2022-06-23 |
| CS004441 | endrin-aldehyde | An organochlorine compound with molecular formula C12H8Cl6O. | 2022-06-23 |
| CS004330 | enzacamene | An organic camphor derivative (monoterpenoid) used in suncream lotions. | 2021-08-25 |
| CS004150 | epichlorohydrin | An organochloride compound. | 2021-08-25 |
| CS003835 | epoxiconazole | Unavailable | 2020-07-06 |
| CS003845 | epsilon-hexachlorocyclohexane | Unavailable | 2020-07-06 |
| CS002782 | erbium | A Rare Earth Element (REE) | 2015-12-15 |
| CS004385 | erythromycin | An antibiotic with molecular formula C37H67NO13. | 2022-06-21 |
| CS000543 | esfenvalerate | Unavailable | 2015-09-03 |
| CS000550 | estrone | Unavailable | 2015-09-03 |
| CS003306 | ethane | Unavailable | 2017-06-29 |
| CS002927 | ethanoate | Unavailable | 2016-05-02 |
| CS004329 | ethanolamine | A member of the class of ethanolamines that is ethane with an amino substituent at C-1 and a hydroxy substituent at C-2, making it both a primary amine and a primary alcohol [ChEBI, 16 August 2021]. | 2021-08-25 |
| CS003307 | ethene | Unavailable | 2017-06-30 |
| CS000557 | ethinyl estradiol | Unavailable | 2015-09-03 |
| CS003357 | ethion | A chemical substance classified as an environmental contaminant. | 2017-07-06 |
| CS004075 | ethofumesate | Chemical substance used as an herbicide. | 2021-08-25 |
| CS003850 | ethoprophos | Unavailable | 2020-07-06 |
| CS003358 | ethyl acetate | Unavailable | 2017-07-06 |
| CS002944 | ethylamine | Unavailable | 2016-05-02 |
| CS003317 | ethylbenzene | Unavailable | 2017-06-29 |
| CS003833 | ethylene thiourea | Unavailable | 2020-07-06 |
| CS003298 | ethyne | Unavailable | 2017-06-29 |
| CS004406 | etrimfos | An insecticide with molecular formula C10H17N2O4PS. | 2022-06-21 |
| CS002790 | europium | A Rare Earth Element (REE) | 2015-12-15 |
| CS000564 | fenamiphos | Unavailable | 2015-09-03 |
| CS004167 | fenarimol | Chemical substance used as a fongicide. | 2021-08-25 |
| CS004231 | fenazaquin | Chemical substance used as an acaricide. | 2021-08-25 |
| CS004076 | fenchlorphos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004394 | fenhexamid | An aromatic amide with molecular formula C14H17Cl2NO2. | 2022-06-21 |
| CS000571 | fenitrothion | Unavailable | 2015-09-03 |
| CS004324 | fenofibric acid | An organochloride compound (chlorobenzene and a chlorobenzophenone) with formula C17H15ClO4. It is a metabolite of the drug fenofibrate [ChEBI, 17/08/2021]. | 2021-08-25 |
| CS004430 | fenoprop | A herbicide with molecular formula C9H7Cl3O3. | 2022-06-21 |
| CS000578 | fenoxycarb | Chemical substance used as an insecticide. | 2021-08-23 |
| CS003897 | fenpropathrin | Unavailable | 2020-07-06 |
| CS003805 | fenpropidin | Unavailable | 2020-07-06 |
| CS003871 | fenpropimorph | Unavailable | 2020-07-06 |
| CS000585 | fenthion | Unavailable | 2015-09-03 |
| CS004250 | fentin acetate (expressed as tin) | Chemical substance used as a pesticide. | 2023-10-02 |
| CS004091 | fenuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003829 | fenvalerate | Unavailable | 2020-07-06 |
| CS003359 | ferric oxide | One of the three main oxides of iron; also known as iron(3+) or iron(III) oxide. | 2017-07-06 |
| CS002986 | ferrioxamine E | Unavailable | 2016-05-02 |
| CS003325 | ferrioxamine G | A siderophore compound. | 2017-06-30 |
| CS002915 | ferrous ion | Divalent iron cation also known as iron(2+), iron(2+) ion, iron(II) cation. | 2019-08-13 |
| CS004358 | ferrous iron (expressed as ferrous oxide) | Pending. | 2022-04-05 |
| CS003360 | ferrous oxide | One of the three main oxides of iron; also known as iron(2+) oxide or iron(II) oxide. | 2019-08-13 |
| CS004022 | fipronil desulfinyl | A metabolite of the insecticide fipronil. | 2021-08-25 |
| CS003980 | fipronil sulfide | A metabolite of the insecticide fipronil. | 2021-08-25 |
| CS004193 | fipronil sulfone | A metabolite of the insecticide fipronil. | 2021-08-25 |
| CS003402 | flavodoxin [Sequence: GADMVGYVDK; Organism: Prochlorococcus marinus MIT 9515] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003401 | flavodoxin [Sequence: LHNFISSAESPK; Organism: Prochlorococcus marinus MIT 9515] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003392 | flavodoxin [Sequence: TVGIYYATTTGK; Organism: Prochlorococcus marinus MIT 9515] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS004122 | flazasulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004170 | fluazifop-p-butyl | Chemical substance used as an herbicide. | 2021-08-25 |
| CS003973 | flubenzimine | Chemical substance used as an acaricide. | 2021-08-25 |
| CS000592 | flucofuron | Unavailable | 2015-09-03 |
| CS003856 | flucythrinate | Unavailable | 2020-07-06 |
| CS004395 | fludioxonil | A benzodioxoles with molecular formula C12H6F2N2O2. | 2022-06-21 |
| CS004253 | flufenacet/thiafluamide | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004275 | flunarizine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002069 | fluoranthene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS002055 | fluorene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS003319 | fluorescein | Unavailable | 2017-06-29 |
| CS003361 | fluorescein diacetate | A fluorescent stain used to measure enzymatic activity or determine the viability of eukaryotic cells. | 2017-07-06 |
| CS003120 | fluoride | An anion of the fluorine atom with an ionic charge of -1. | 2017-04-20 |
| CS003314 | fluorine | Unavailable | 2017-06-29 |
| CS003966 | fluoxetine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004277 | fluphenazine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004132 | flupyrsulfuron-methyl-sodium | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004291 | fluquinconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003799 | fluroxypyr | Unavailable | 2020-07-06 |
| CS004125 | flurtamone | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004282 | flusilazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004235 | fluvalinate | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004309 | folpel | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004251 | foramsulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004134 | fosthiazate | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003560 | free amino acids | Any organic compounds containing an amine and a carboxyl functional groups free to react with orthopthalic acid in aqueous solution. | 2017-08-09 |
| CS004068 | free cyanides | Cyanide (CN-) most commonly occurs as hydrogen cyanide (HCN) and its salts: sodium cyanide (NaCN) and potassium cyanide (KCN). The term free cyanide refers to the cyanide ion and hydrogen cyanide [ref: http://www.coastalwiki.org/wiki/Free_cyanide]. | 2021-08-25 |
| CS002801 | free ecdysteroids | A group of hormones found in Arthropods that are either categorised as free or congugated. | 2016-02-26 |
| CS002933 | fucoxanthin | Unavailable | 2016-05-02 |
| CS003311 | fulvic acid | Unavailable | 2017-06-29 |
| CS004413 | gabapentin | A γ-amino acid with molecular formula C9H17NO2. | 2022-06-21 |
| CS002792 | gadolinium | A Rare Earth Element (REE) | 2015-12-15 |
| CS004347 | galaxolide | A synthetic fragrance used in the cosmetic industry. Also known as 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran and 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta(g)-2-benzopyran, among other names. | 2021-09-24 |
| CS002919 | gallium | A chemical element from the 'other metals' group with atomic number is 31. | 2021-05-17 |
| CS003428 | gallium-69 | An isotope of chemical element gallium | 2017-08-02 |
| CS003429 | gallium-71 | An isotope of chemical element gallium | 2017-08-02 |
| CS003008 | gamma-aminobutyric acid | Unavailable | 2016-05-02 |
| CS001278 | gamma-chlordane | Unavailable | 2015-09-03 |
| CS002496 | gamma-hexabromocyclododecane | Unavailable | 2015-09-10 |
| CS002503 | gamma-hexachlorocyclohexane | Unavailable | 2015-09-10 |
| CS004305 | gemfibrozil | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003312 | germanium | Unavailable | 2017-06-29 |
| CS003362 | glucose | Unavailable | 2017-07-06 |
| CS002951 | glutamic acid | Unavailable | 2016-05-02 |
| CS002984 | glutamine | Unavailable | 2016-05-02 |
| CS003405 | glutamine synthetase, glutamate--ammonia ligase [Sequence: EGYFPVSPNDTAQDIR; Organism: Prochlorococcus marinus MIT 9215] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003409 | glutamine synthetase, glutamate--ammonia ligase [Sequence: FDSLINSADNVMTYK; Organism: Prochlorococcus marinus MIT 9215] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003398 | glutamine synthetase, glutamate--ammonia ligase [Sequence: HAPSFLAFTNPTTNSYK; Organism: Synechococcus sp. RS9916] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003391 | glutathione | A tripeptide molecule with the formula C10H17N3O6S. | 2017-07-26 |
| CS002941 | glycine | Unavailable | 2016-05-02 |
| CS003313 | gold | Unavailable | 2017-06-29 |
| CS004293 | gymnodimine a | A biotoxin. | 2021-08-25 |
| CS004029 | gymnodimine b | A biotoxin. | 2021-08-25 |
| CS003296 | hafnium | Unavailable | 2017-06-29 |
| CS003363 | hafnium-176 | A stable isotope of the chemical element hafnium. | 2017-07-06 |
| CS004119 | haloxyfop-p-methyl | Chemical substance used as an herbicide. | 2021-08-25 |
| CS003005 | helium | Unavailable | 2016-05-02 |
| CS002875 | helium-3 | An isotope of the chemical element helium. | 2016-03-07 |
| CS003326 | heme | An iron-containing compound of the porphyrin class which forms the non-protein part of some biological molecules. | 2017-06-30 |
| CS000599 | heneicosane | Unavailable | 2015-09-03 |
| CS001285 | heneicosanoic acid | Unavailable | 2015-09-03 |
| CS000606 | henicosan-1-ol | Unavailable | 2015-09-03 |
| CS000613 | hentriacontan-1-ol | Unavailable | 2015-09-03 |
| CS001292 | hentriacontane | Unavailable | 2015-09-03 |
| CS003303 | hentriacontanoic acid | Unavailable | 2017-06-30 |
| CS003656 | heptabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDEs). | 2019-04-01 |
| CS002510 | heptachlor | Unavailable | 2015-09-10 |
| CS002802 | heptachlor epoxide | A degradation product of heptachlor, an insecticide. | 2016-02-26 |
| CS003304 | heptacosan-1-ol | Unavailable | 2017-06-30 |
| CS000620 | heptacosane | Unavailable | 2015-09-03 |
| CS003297 | heptacosanedioic acid | Unavailable | 2017-06-30 |
| CS000627 | heptacosanoic acid | Unavailable | 2015-09-03 |
| CS003538 | heptacosenoic acids | A straight-chain 27-carbon monounsaturated fatty acid. The double bond may be in any feasible position in the chain. May also describe a mixture of isomers fitting this descroption. | 2017-08-09 |
| CS001299 | heptadecan-1-ol | Unavailable | 2015-09-03 |
| CS000634 | heptadecane | Unavailable | 2015-09-03 |
| CS003301 | heptadecanedioic acid | Unavailable | 2017-06-30 |
| CS001306 | heptadecanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS002803 | heptadecenoic acid | An unsaturated fatty acid. | 2016-02-26 |
| CS003320 | heptane | Unavailable | 2017-06-30 |
| CS003299 | heptatriaconta-15E,22E-dien-2-one | Unavailable | 2017-06-30 |
| CS003436 | heptatriaconta-8E,15E,22E,29E-tetraen-2-one | A 37-carbon alkenone (long-chain unsaturated ketone) with four double bonds and the oxygen bonded to carbon 2. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003300 | heptatriaconta-8E,15E,22E-trien-2-one | Unavailable | 2017-06-30 |
| CS003305 | heptatriacontane | Unavailable | 2017-06-30 |
| CS000641 | heptenophos | Unavailable | 2015-09-03 |
| CS004152 | hexabromobiphenyl | A substance belonging to the Polybrominated Diphenyl Ethers (PBDEs) or the Polybrominated Biphenyls (PBBs) groups. | 2021-08-25 |
| CS003657 | hexabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDEs). | 2019-04-01 |
| CS002524 | hexachloro-1,3-butadiene | Unavailable | 2015-09-10 |
| CS002531 | hexachlorobenzene | Unavailable | 2015-09-10 |
| CS003521 | hexachlorocyclohexanes | A mixture of any isomers of C6H6Cl6 in any proportion, sometimes referred to as 'technical hexachlorocyclohexane'. | 2021-01-18 |
| CS000648 | hexachloroethane | Unavailable | 2015-09-03 |
| CS004021 | hexachlorophene | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004283 | hexaconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS001313 | hexacosan-1-ol | Unavailable | 2015-09-03 |
| CS000655 | hexacosane | Unavailable | 2015-09-03 |
| CS003302 | hexacosanedioic acid | Unavailable | 2017-06-30 |
| CS001320 | hexacosanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS002804 | hexadecadienoic acid | A polyunsaturated fatty acid. | 2016-02-26 |
| CS000662 | hexadecan-1-ol | Unavailable | 2015-09-03 |
| CS003308 | hexadecane | Unavailable | 2017-06-30 |
| CS001327 | hexadecanedioic acid | Unavailable | 2015-09-03 |
| CS000669 | hexadecanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS002805 | hexadecatrienoic acid | A fatty acid. | 2016-02-26 |
| CS003532 | hexadecenoic acids | A straight-chain 16-carbon monounsaturated fatty acid. The double bond may be in any feasible position in the chain. May also describe a mixture of isomers fitting this description. | 2017-08-09 |
| CS003309 | hexane | Unavailable | 2017-06-30 |
| CS003567 | hexatriaconta-16E,23E-dien-2-one | A 36-carbon alkenone (long-chain unsaturated ketone) with two double bonds and the oxygen bonded to carbon 2. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003612 | hexatriaconta-2-one | 36-carbon saturated ketone with oxygen bonded to carbon 2. | 2017-08-09 |
| CS003616 | hexatriaconta-9E,16E,23E-trien-2-one | A 36-carbon alkenone (long-chain unsaturated ketone) with three double bonds and the oxygen bonded to carbon 2. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS001334 | hexatriacontane | Unavailable | 2015-09-03 |
| CS004102 | hexazinone | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002992 | histidine | Unavailable | 2016-05-02 |
| CS002785 | holmium | A Rare Earth Element (REE) | 2015-12-15 |
| CS004036 | homoyessotoxin | A biotoxin. | 2021-08-25 |
| CS003316 | hop-17(21)-ene | Unavailable | 2017-06-29 |
| CS003981 | hydrazine | An inorganic nitrogen compound with formula N2H4. It is used or produced in the production of polymer foams as well as in the pharmaceutical and agrochemical industries. | 2021-08-25 |
| CS003842 | hydrocarbons C10-C40 | Unavailable | 2020-07-06 |
| CS003742 | hydrocarbons C13-40 | Unavailable | 2018-12-17 |
| CS003743 | hydrocarbons C6-12 | Unavailable | 2018-12-17 |
| CS004271 | hydrochlordecone | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004411 | hydrochlorothiazide | A benzothiadiazine with molecular formula C7H8ClN3O4S2. | 2022-06-21 |
| CS003315 | hydrogen | Unavailable | 2017-06-30 |
| CS002924 | hydrogen peroxide | Unavailable | 2016-05-02 |
| CS003295 | hydrogen sulfide | Unavailable | 2022-10-24 |
| CS003561 | hydrolysable amino acids | Any organic compounds containing an amine and a carboxyl functional groups that may be cleaved by chemical reaction with water.. | 2017-08-09 |
| CS004201 | hydroxyprogesterone caproate | An organic compound belonging to the group of the sterols or steroids. | 2021-08-25 |
| CS004124 | hydroxyterbuthylazine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004256 | ibuprofen | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS000676 | icosan-1-ol | Unavailable | 2015-09-03 |
| CS001341 | icosanedioic acid | Unavailable | 2015-09-03 |
| CS004327 | imazalil | Chemical substance used as a fongicide. | 2021-08-25 |
| CS004228 | imazamethabenz | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004212 | imazaquin | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004391 | imazosulfuron | A herbicid with molecular formula C14H13ClN6O5S. | 2022-06-21 |
| CS000683 | imidacloprid | Unavailable | 2015-09-03 |
| CS004027 | imipramine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002118 | indeno(1,2,3-cd)pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004266 | indinavir | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003174 | indium | Unavailable | 2017-06-29 |
| CS002883 | inorganic arsenic | Atomic arsenic that is incorporated into any compound that is not a covalently-bonded carbon compound. Includes all oxidation states. | 2016-03-22 |
| CS002861 | inorganic carbon | Atomic carbon that is incorporated into any compound that is not a covalently-bonded carbon compound. | 2016-03-22 |
| CS000298 | inorganic iron | Atomic iron that is incorporated into any compound that is not a covalently-bonded carbon compound. Includes all oxidation states. | 2016-03-22 |
| CS004346 | inorganic mercury | Atomic mercury that is incorporated into any compound that is not a covalently-bonded carbon compound. Includes all oxidation states. | 2021-09-24 |
| CS002867 | inorganic nitrogen | Atomic nitrogen that is incorporated into any compound that is not a covalently-bonded carbon compound. | 2016-03-22 |
| CS004372 | inorganic phosphorus | Atomic phosphorus that is incorporated into any compound that is not a covalently-bonded carbon compound. Includes phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid. | 2022-04-06 |
| CS002884 | inorganic zinc | Atomic zinc that is incorporated into any compound that is not a covalently-bonded carbon compound. Includes all oxidation states. | 2016-03-22 |
| CS002969 | iodate | Unavailable | 2016-05-02 |
| CS002922 | iodide | Unavailable | 2016-05-02 |
| CS003175 | iodine | Unavailable | 2017-06-29 |
| CS003527 | iodine monoxide radical | A molecule containing an iodine atom, an oxygen atom and an unpaired electron. | 2017-08-09 |
| CS003791 | iodine-127 | The only stable isotope of the chemical element iodine. | 2019-05-30 |
| CS003086 | iodine-129 | An isotope of the chemical element iodine. | 2017-03-01 |
| CS002995 | iodoethane | Unavailable | 2016-05-02 |
| CS002980 | iodomethane | Unavailable | 2016-05-02 |
| CS004414 | iopamidol | A benzenedicarboxamide compound with molecular formula C17H22I3N3O8. | 2022-06-21 |
| CS004077 | ioxynil | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004289 | iprodione | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003184 | irgarol | Unavailable | 2017-06-29 |
| CS003408 | iron ABC transporter, substrate binding protein (IdiA) [Sequence: SPYNQSLVANQIVNK; Organism: Prochlorococcus marinus MIT 9515] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003091 | iron-56 | An isotope of the chemical element iron. | 2017-04-03 |
| CS003531 | iron-57 | A stable isotope of iron. | 2017-08-09 |
| CS003080 | iron-complexing organic ligands | A mixture of organic molecules with the potential to form stable complexes with iron in aqueous solution | 2017-02-20 |
| CS002538 | isodrin | Unavailable | 2015-09-10 |
| CS002993 | isoleucine | Unavailable | 2016-05-02 |
| CS003878 | isoprocarb | Unavailable | 2020-07-06 |
| CS000690 | isoproturon | Unavailable | 2015-09-03 |
| CS004245 | isoxaben | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003961 | ketoprofen | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003052 | krypton | A naturally occuring noble gas (a group of odourless, colourless and monatomic gases with very low reactivity). | 2016-12-15 |
| CS003016 | labile aluminium | Atomic aluminium that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003022 | labile barium | Atomic barium that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS002885 | labile cadmium | Atomic cadmium that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003127 | labile cerium | Atomic cerium that is weakly bound to organic or inorganic ligands. | 2017-06-28 |
| CS002886 | labile cobalt | Atomic cobalt that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003020 | labile copper | Atomic copper that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003018 | labile gallium | Atomic gallium that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003025 | labile iron | Atomic iron that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003092 | labile iron-56 | Iron-56 isotope that is weakly bound to organic or inorganic ligands. | 2017-04-04 |
| CS003047 | labile lanthanum | Atomic lanthanum that is weakly bound to organic or inorganic ligands. | 2016-10-07 |
| CS003021 | labile lead | Atomic lead that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003015 | labile manganese | Atomic manganese that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003014 | labile molybdenum | Atomic molybdenum that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003017 | labile nickel | Atomic nickel that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003031 | labile phosphorus | Atomic phosphorus that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003048 | labile thorium | Atomic thorium that is weakly bound to organic or inorganic ligands. | 2016-10-07 |
| CS003023 | labile titanium | Atomic titanium that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003019 | labile vanadium | Atomic vanadium that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003049 | labile yttrium | Atomic yttrium that is weakly bound to organic or inorganic ligands. | 2016-10-07 |
| CS003024 | labile zinc | Atomic zinc that is weakly bound to organic or inorganic ligands. | 2016-07-21 |
| CS003187 | lambda-cyhalothrin | Unavailable | 2017-06-29 |
| CS004288 | lamivudine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004428 | lamotrigine | A medication with molecular formula C9H7Cl2N5. | 2022-06-23 |
| CS002788 | lanthanum | A Rare Earth Element (REE) | 2015-12-15 |
| CS002545 | lead | Unavailable | 2015-09-10 |
| CS003790 | lead-204 | A stable isotope of the chemical element lead. | 2019-05-30 |
| CS003789 | lead-206 | A stable isotope of the chemical element lead. | 2019-05-30 |
| CS003787 | lead-207 | A stable isotope of the chemical element lead. | 2019-05-30 |
| CS003416 | lead-208 | An isotope of chemical element lead | 2017-08-02 |
| CS002766 | lead-210 | An isotope of the chemical element lead | 2015-11-11 |
| CS004352 | lead-212 | An isotope of the chemical element lead. | 2022-01-21 |
| CS004232 | lead-214 | A radioisotope of the element lead. | 2022-01-24 |
| CS004207 | lenacil | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004225 | leptophos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002958 | leucine | Unavailable | 2016-05-02 |
| CS003043 | limonene | A monoterpene. | 2016-07-26 |
| CS000697 | linuron | Unavailable | 2015-09-03 |
| CS002806 | lipids | A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others. | 2016-02-26 |
| CS002552 | lithium | Unavailable | 2015-09-10 |
| CS004371 | lithium (expressed as lithium oxide) | Pending. | 2022-04-05 |
| CS003364 | lithium oxide | Unavailable | 2017-07-06 |
| CS003499 | loosely-held copper | Copper classified as being in 'loosely held' or 'exchangeable' associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003505 | loosely-held total iron | Iron in all oxidation states classified as being in 'loosely held' or 'exchangeable' associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003511 | loosely-held total manganese | Manganese in all oxidation states classified as being in 'loosely held' or 'exchangeable' associations.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS004262 | lorazepam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004306 | losartan | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002959 | lutein | Unavailable | 2016-05-02 |
| CS002794 | lutetium | A Rare Earth Element (REE) | 2015-12-15 |
| CS003549 | lysine | An amino acid that is used in the biosynthesis of proteins. | 2017-08-09 |
| CS004097 | m-cresol | A phenol derived from the manufacturing or the pharmaceutical industry. | 2021-08-25 |
| CS002981 | magnesium | One of six chemical elements classified as an alkaline earth metal. Its atomic number is 12. | 2021-05-17 |
| CS004366 | magnesium (expressed as magnesium oxide) | Pending. | 2022-04-05 |
| CS003365 | magnesium carbonate | Unavailable | 2017-07-06 |
| CS003366 | magnesium oxide | Unavailable | 2017-07-06 |
| CS001348 | malathion | Unavailable | 2015-09-03 |
| CS003514 | manganese (II,III) oxide | The compound of divalent (Mn II) and trivalent (Mn III) manganese and oxygen. | 2017-08-09 |
| CS004365 | manganese (expressed as manganese(II) oxide) | Pending. | 2022-04-05 |
| CS004368 | manganese (expressed as manganese(II,III) oxide) | Pending. | 2022-04-05 |
| CS004361 | manganese (expressed as manganese(IV) oxide) | Pending. | 2022-04-05 |
| CS003515 | manganese dioxide | The compound of tetravalent manganese (Mn IV) and oxygen. | 2017-08-09 |
| CS003423 | manganese-55 | An isotope of chemical element manganese | 2017-08-02 |
| CS003173 | manganous ion | Unavailable | 2017-06-30 |
| CS003367 | manganous oxide | Also known as manganese(II) oxide. | 2017-07-06 |
| CS004307 | meprobamate | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004183 | mesotrione | Chemical substance used as an herbicide. | 2021-08-25 |
| CS003762 | mestranol | An oestrogen medication with formula C21H26O2. | 2019-03-09 |
| CS004308 | metalaxyl | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004328 | metaldehyde | Chemical substance used as a molluscicide. | 2021-08-25 |
| CS003846 | metamitron | Unavailable | 2020-07-06 |
| CS003828 | metazachlor | Unavailable | 2020-07-06 |
| CS004392 | metazachlor oxanilic acid | A monocarboxylic acid with molecular formula C14H15N3O3. | 2022-06-21 |
| CS004401 | metazachlor-ethane sulfonic acid | An organosulfonic acid with molecular formula C14H17N3O4S. | 2022-06-21 |
| CS004285 | metconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS000704 | methabenzthiazuron | Unavailable | 2015-09-03 |
| CS003888 | methacrifos | Unavailable | 2020-07-06 |
| CS004178 | methamidophos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002920 | methane | Unavailable | 2016-05-02 |
| CS002937 | methane sulfonic acid | Unavailable | 2022-10-24 |
| CS003168 | methanesulfonate | Unavailable | 2022-10-24 |
| CS001355 | methanoate | Unavailable | 2015-09-03 |
| CS000711 | methanol | Unavailable | 2015-09-03 |
| CS004319 | methidathion | A chemical substance with modecular formula C6H11N2O4PS3 used as a pesticide. | 2021-08-25 |
| CS003830 | methiocarb | Unavailable | 2020-07-06 |
| CS002956 | methionine | Unavailable | 2016-05-02 |
| CS003971 | methoprene | Chemical substance used as an insecticide. | 2021-08-25 |
| CS003186 | methoxychlor | Unavailable | 2017-06-29 |
| CS003547 | methyl 2-hydroxy docosanoate | Alpha-hydroxy methyl ester of the 22-carbon fatty acid docosanoic acid (behenic acid). | 2017-08-09 |
| CS003545 | methyl 2-hydroxy heptadecanoate | Alpha-hydroxy methyl ester of the 17-carbon fatty acid heptadecanoic acid. | 2017-08-09 |
| CS003544 | methyl 2-hydroxy hexadecanoate | Alpha-hydroxy methyl ester of the 16-carbon fatty acid hexadecanoic acid. | 2017-08-09 |
| CS003546 | methyl 2-hydroxy octadecanoate | Alpha-hydroxy methyl ester of the 18-carbon fatty acid octadecanoic acid. | 2017-08-09 |
| CS003548 | methyl 2-hydroxy tetracosanoate | Alpha-hydroxy methyl ester of the 24-carbon fatty acid tetracosanoic acid. | 2017-08-09 |
| CS003525 | methyl 3-hydroxy heptadecanoate | Beta-hydroxy methyl ester of the 17-carbon fatty acid heptadecanoic acid. | 2017-08-09 |
| CS003566 | methyl 3-hydroxy hexadecanoate | Beta-hydroxy methyl ester of the 16-carbon fatty acid hexadecanoic acid. | 2017-08-09 |
| CS003497 | methyl 3-hydroxy octadecanoate | Beta-hydroxy methyl ester of the 18-carbon fatty acid octadecanoic acid. Biomarker of endotoxin. | 2017-08-09 |
| CS003565 | methyl 3-hydroxy pentadecanoate | Beta-hydroxy methyl ester of the 15-carbon fatty acid pentadecanoic acid. | 2017-08-09 |
| CS003568 | methyl heptatriaconta-7E,14E,21E-trienoate | A 37-carbon alkenoate (long-chain unsaturated ester) with three double bonds. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003615 | methyl hexatriaconta-14E,21E-dienoate | A 36-carbon alkenoate (long-chain unsaturated ester) with two double bonds. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003614 | methyl hexatriaconta-7E,14E,21E-trienoate | A 36-carbon alkenoate (long-chain unsaturated ester) with three double bonds. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003183 | methylbenzene | Unavailable | 2017-06-29 |
| CS000718 | methylchlorophenoxypropionic acid | Unavailable | 2015-09-03 |
| CS003792 | methylcobalamin | A form of vitamin B12 with chemical formula C63H91CoN13O14P. | 2019-07-16 |
| CS003488 | methyldibenzothiophenes | A mixture of methyldibenzothiophene (MDBT) isomers; MDBT is a compound with two benzene rings joined by a C-C bond and a sulphur atom. | 2023-12-15 |
| CS004020 | methylmercaptophos oxide | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004376 | methylmercury | An organomercury compound. | 2022-06-17 |
| CS003093 | methylmercury cation | An organometallic cation also known as monomethylmercury(II) cation. | 2017-04-03 |
| CS003493 | methylnapthalenes | A mixture of the isomers of napthalene (two fused benzene rings) with a single methyl group attached. | 2017-08-09 |
| CS003534 | methylnonadecanoic acids | A straight-chain 19-carbon unsaturated fatty acid with a methyl group attached in place of one of the hydrogens along the chain. May also describe a mixture of isomers fitting this description. | 2017-08-09 |
| CS003441 | methylpentanes | A 5-carbon straight chain alkane with a methyl group attached to either carbon 2 or carbon 3. May also describe a mixture of the two isomers. | 2017-08-09 |
| CS003496 | methylphenanthrenes | A mixture of the isomers of phenanthrene (three fused benzene rings) with a single methyl group attached. | 2017-08-09 |
| CS003182 | methylpropene | Unavailable | 2017-06-30 |
| CS003887 | metobromuron | Unavailable | 2020-07-06 |
| CS001362 | metolachlor | Unavailable | 2015-09-03 |
| CS004318 | metolachlor ethane sulfonic acid | A derivative of the herbicide metolachlor. | 2021-08-25 |
| CS003987 | metolachlor oxanilic acid | A derivative of the herbicide metolachlor. | 2021-08-25 |
| CS004258 | metoprolol | A pharmaceutical substance or one of its derivative or metabolite. | 2022-06-22 |
| CS003816 | metoxuron | Unavailable | 2020-07-06 |
| CS003852 | metribuzin | Unavailable | 2020-07-06 |
| CS000725 | metsulfuron-methyl | Unavailable | 2015-09-03 |
| CS000732 | mevinphos | Unavailable | 2015-09-03 |
| CS004003 | miconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004224 | microcystin LA | A biotoxin with molecular formula C46H67N7O12 belonging to the microcystins, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS004046 | microcystin LF | A biotoxin with molecular formula C52H71N7O12 belonging to the microcystin group, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS004128 | microcystin LR | A biotoxin with molecular formula C49H74N10O12 belonging to the group of the microcystins, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS004206 | microcystin LW | A biotoxin with molecular formula C54H72N8O12 belonging to the microcystin group, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS004047 | microcystin LY | A biotoxin with molecular formula C52H71N7O13 belonging to the microcystin group, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS004223 | microcystin RR | A biotoxin with molecular formula C49H75N13O12 belonging to the microcystins, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS003969 | microcystin YR | A biotoxin with molecular formula C52H72N10O13 belonging to the microcystins, a group of toxins produced by cyanobacteria (cyanotoxins). | 2021-08-25 |
| CS004264 | midazolam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003705 | mirex | An organochlorine. | 2018-05-24 |
| CS003498 | moderately-reducible copper | Copper classified as being bound in moderately reducible associations (e.g. oxide-associated bonds).This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003504 | moderately-reducible total iron | Iron in all oxidation states classified as being bound in moderately reducible associations (e.g. oxide-associated bonds).This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003510 | moderately-reducible total manganese | Manganese in all oxidation states classified as being bound in moderately reducible associations (e.g. oxide-associated bonds).This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2019-08-04 |
| CS003003 | molybdenum | Unavailable | 2016-05-02 |
| CS003412 | molybdenum-98 | An isotope of chemical element molybdenum | 2017-08-02 |
| CS004157 | mono(2-ethylhexyl) phthalate | An organic compound with formula C16H22O4 belonging to a group of chemicals used to make plastics more durable. Phthalates are esters of phthalic acid. | 2021-08-25 |
| CS001369 | monobutyltin | Unavailable | 2015-09-03 |
| CS003794 | monobutyltin (expressed as cation) | Organotin compound with molecular formula C4H12Sn, also known as butylstannane. The term "expressed as cation" indicates that the molecular weight used to convert moles to mass is the molecular weight of the cation. | 2019-12-20 |
| CS003621 | monobutyltin (expressed as tin) | Organotin compound with molecular formula C4H12Sn, also known as butylstannane. The term "expressed as tin" indicates that the molecular weight used to convert moles to mass is the atomic weight of Sn. | 2019-12-20 |
| CS003185 | monocrotophos | Unavailable | 2017-06-29 |
| CS003452 | monogalactosyldiacylglycerol | A galactolipid (i.e. glycolipid with galactose as the sugar group) found in abundance in plants and algae photosynthetic organelles. | 2017-08-09 |
| CS000739 | monolinuron | Unavailable | 2015-09-03 |
| CS003466 | monomethyl arsenic | A mixture of one or more componds containing arsenic plus a single methyl group. | 2017-08-09 |
| CS003009 | monomethylamine | Unavailable | 2016-05-02 |
| CS004141 | monomethylbenzofluoranthenes | Undifferentiated mixture (or sum) of monomethylbenzofluoranthene isomers, polycyclic aromatic hydrocarbons with chemical formula C21H14. | 2021-08-25 |
| CS004214 | monomethylchrysenes | Mixture (or sum) of the undifferentiated isomers of the methylchrysene with chemical formula C19H14. | 2021-08-25 |
| CS004219 | monomethylnaphthalenes | Undifferentiated mixture (or sum) of monomethylnaphthalene isomers, polycyclic aromatic hydrocarbons with chemical formula C11H10. | 2021-08-25 |
| CS004140 | monomethylphenanthrenes+monomethylanthracenes | Undifferentiated mixture (or sum) of monomethylanthracene and monomethylphenanthrene isomers, polycyclic aromatic hydrocarbons with chemical formula C15H12 and a polyaromatic structure of the phenanthrene and anthracene type with one methyl group. | 2021-08-25 |
| CS004218 | monomethylpyrenes+monomethylfluoranthenes | Undifferentiated mixture (or sum) of monomethylpyrene and monomethylfluoranthene isomers, polycyclic aromatic hydrocarbons with chemical formula C17H12. | 2021-08-25 |
| CS003811 | monooctyltin | An organotin with molecular formula C8H19Sn. | 2020-07-06 |
| CS004436 | monooctyltin cation | A cation of monooctyltin (an organotin with molecular formula C8H19Sn). | 2022-06-21 |
| CS002559 | monophenyltin | Organotin compound with molecular formula C6H7Sn with one benzene ring bound to an atom of tin. | 2020-09-03 |
| CS003902 | monophenyltin (expressed as cation) | Organotin compound with molecular formula C6H7Sn with one benzene ring bound to an atom of tin. The term 'expressed as cation' indicates that the molecular weight used to convert moles to mass is the molecular weight of the cation. | 2020-09-03 |
| CS003627 | monophenyltin (expressed as tin) | Organotin compound with molecular formula C6H7Sn with one benzene ring bound to an atom of tin. The term 'expressed as tin' indicates that the molecular weight used to convert moles to mass is the atomic weight of Sn. | 2020-09-03 |
| CS004078 | monuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004279 | morpholine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004317 | musk xylene | A synthetic fragrance used in the cosmetic industry. | 2021-08-25 |
| CS004114 | myclobutanil | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003513 | mycosporine sulfate ester | Sulphate ester of the amino acid mycosporine. | 2022-10-24 |
| CS003478 | mycosporine-2-glycine | Micosporine-like amino acid with a peak UV absorbance of 334 nm. | 2017-08-09 |
| CS003481 | mycosporine-320 | Micosporine-like amino acids with a peak UV absorbance of 320 nm. Includes palythine, palythine-serine and palythine-serine sulphate. | 2017-08-09 |
| CS003479 | mycosporine-335/360 | Micosporine-like amino acid with a peak UV absorbance of 335 nm and a shoulder peak at 360 nm. | 2017-08-09 |
| CS003475 | mycosporine-glycine | Micosporine-like amino acid with a peak UV absorbance of 310 nm. | 2017-08-09 |
| CS003518 | mycosporine-like amino acids | Water-soluble UV-absorbing secondary metabolites characterized by a cyclohexenone or cycloheximine chromophore conjugated with the nitrogen substituents of amino acids or their imino alcohols. | 2017-08-09 |
| CS003476 | mycosporine-methylamine-serine | Micosporine-like amino acid with a peak UV absorbance of 327 nm. | 2017-08-09 |
| CS003477 | mycosporine-methylamine-threonine | Micosporine-like amino acid with a peak UV absorbance of 327 nm. | 2017-08-09 |
| CS003474 | mycosporine-taurine | Micosporine-like amino acid with a peak UV absorbance of 309 nm. | 2017-08-09 |
| CS003039 | myrcene | A monoterpene. | 2016-07-26 |
| CS004461 | myxol quinovoside | A yellow pigment with chemical formula C46H66O7 belonging to the xanthophyll division of the carotenoid group. | 2022-10-20 |
| CS003986 | n,n-dimethyl-n'-p-tolylsulfamide | A marine xenobiotic metabolite derived from the pesticide tolylfluanid. | 2021-08-25 |
| CS004044 | n,n-dimethyl-n'-phenylsulfamide | A marine xenobiotic metabolite derived from the agrochemical pesticide dichlofluanid. | 2021-08-25 |
| CS004407 | n,n-dimethylsulfamide | A marine metabolite with molecular formula C2H8N2O2S. | 2022-06-21 |
| CS004404 | n-acetylsulfamethoxazole | A sulfonamide with molecular formula C12H13N3O4S. | 2022-06-21 |
| CS003993 | n-methylperfluorooctylsulfonamide | A perfluorinated (organofluorine) compound (PFC). | 2022-10-24 |
| CS002013 | naphthalene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS004190 | naphtho(2,3-a)pyrene | A polycyclic aromatic hydrocarbon or one of its derivatives. | 2021-08-25 |
| CS004470 | naphtho[2,3-e]pyrene + naphtho[2,1-a]pyrene + dibenzo[e,l]pyrene + naphtho[2,3-a]pyrene | Mixture or sum of the specified naphthopyrenes. | 2023-06-26 |
| CS003898 | napropamide | Unavailable | 2020-07-06 |
| CS004304 | naproxen | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004092 | neburon | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004267 | nelfinavir | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002789 | neodymium | A Rare Earth Element (REE) | 2015-12-15 |
| CS002797 | neodymium-143 | A naturally occurring stable isotope of the chemical element neodymium | 2016-01-28 |
| CS003788 | neodymium-144 | A long-lived radioisotope of the chemical element neodymium. | 2019-05-30 |
| CS002950 | neon | Unavailable | 2016-05-02 |
| CS002938 | neoxanthin | Unavailable | 2016-05-02 |
| CS002780 | neptunium-237 | An isotope of the chemical element neptunium | 2015-11-12 |
| CS004163 | nevirapine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002566 | nickel | Unavailable | 2015-09-10 |
| CS003088 | nickel-60 | An isotope of the chemical element nickel. | 2017-03-21 |
| CS003406 | nickel-containing superoxide dismutase [Sequence: VAAEAVLSMTK; Organism: Synechococcus sp. WH 8102] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS004115 | nicosulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003989 | niflumic acid | A chemical substance used as a pharmaceutic. | 2021-08-25 |
| CS003172 | niobium | Unavailable | 2017-06-29 |
| CS002879 | nitrate | A polyatomic ion with the molecular formula NO3−. | 2016-03-07 |
| CS003321 | nitrate radical | Free radical formed from the reaction of nitrogen dioxide with ozone. | 2017-06-30 |
| CS026905 | nitrate+nitrite | Unavailable | 2016-04-14 |
| CS003169 | nitric oxide | Unavailable | 2017-06-29 |
| CS002877 | nitrite | A polyatomic ion with the molecular formula NO2−. | 2016-03-07 |
| CS004433 | nitrobenzene | A nitroarene with molecular formula C6H5NO2. | 2022-06-21 |
| CS004402 | nitrofen | A diphenyl ester with molecular formula C12H7Cl2NO3. | 2022-06-21 |
| CS002807 | nitrogen | The chemical element nitrogen. | 2016-02-26 |
| CS003170 | nitrogen dioxide | Unavailable | 2017-06-29 |
| CS003394 | nitrogen regulatory protein NtcA [Sequence: LSHQAIAEAIGSTR; Organism: not specified] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003407 | nitrogen regulatory protein P-II glnB glnK [Sequence: VNSVIDAIAEAAK; Organism: not specified] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS002808 | nitrogen-15 | An isotope of the chemical element nitrogen. | 2016-02-26 |
| CS026911 | nitrogen-15 in nitrate | An isotope of the chemical element nitrogen in the nitrate molecule. | 2016-10-04 |
| CS003670 | nitrogen-15 in total nitrogen | An isotope of the chemical element nitrogen in total nitrogen. | 2018-04-19 |
| CS002798 | nitrous oxide | An oxide of nitrogen also known as dinitrogen oxide or laughing gas | 2016-02-23 |
| CS004059 | nodularin | A biotoxin. | 2021-08-25 |
| CS003658 | nonabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDEs). | 2019-04-01 |
| CS003179 | nonacosan-1-ol | Unavailable | 2017-06-30 |
| CS001376 | nonacosane | Unavailable | 2015-09-03 |
| CS000746 | nonacosanoic acid | Unavailable | 2015-09-03 |
| CS003178 | nonadecan-1-ol | Unavailable | 2017-06-30 |
| CS000753 | nonadecane | Unavailable | 2015-09-03 |
| CS003177 | nonadecanedioic acid | Unavailable | 2017-06-30 |
| CS001383 | nonadecanoic acid | Unavailable | 2015-09-03 |
| CS003977 | nonafluorobutanesulfonic acid | A perfluorinated (organofluorine) compound (PFC). | 2021-08-25 |
| CS003181 | nonatriacontane | Unavailable | 2017-06-30 |
| CS003674 | nonylphenol | A generic term for all forms of nonylphenol, an alkylphenol that comes in a variety of structures; an organic pollutant. | 2018-05-02 |
| CS003632 | nonylphenol diethoxylate | One of a number of metabolites issued of the degradation of alkylphenol ethoxylates (APE) which are widely used surfactants in domestic and industrial detergents, emulsifiers, wetting or defoaming agents. | 2017-12-14 |
| CS003631 | nonylphenol monoethoxylate | One of a number of metabolites issued of the degradation of alkylphenol ethoxylates (APE) which are widely used surfactants in domestic and industrial detergents, emulsifiers, wetting or defoaming agents. | 2017-12-14 |
| CS004042 | nordazepam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004191 | norethindrone | An organic compound belonging to the group of the sterols or steroids. | 2021-08-25 |
| CS004101 | norflurazon | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004375 | o,p'-dicofol | An isomer of dicofol, an organochlorine pesticide that is structurally similar and related to DDT. | 2022-06-22 |
| CS003042 | ocimene | A terpene. | 2016-07-26 |
| CS003659 | octabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ether (PBDE) compounds. | 2022-10-20 |
| CS003693 | octachloro-dibenzofuran (group) | A dioxin. | 2018-05-24 |
| CS004438 | octachloronaphthalene | A chlorinated naphthalene with molecular formula C10Cl8. | 2022-06-23 |
| CS003624 | octachlorostyrene | Unavailable | 2017-12-14 |
| CS001390 | octacosan-1-ol | Unavailable | 2015-09-03 |
| CS000760 | octacosane | Unavailable | 2015-09-03 |
| CS003613 | octacosane-1,14-diol | A 28-carbon saturated carbon chain with hydroxy groups attached in positions 1 and 14. | 2017-08-09 |
| CS000767 | octacosanoic acid | Unavailable | 2015-09-03 |
| CS001397 | octadecan-1-ol | Unavailable | 2015-09-03 |
| CS000774 | octadecane | Unavailable | 2015-09-03 |
| CS003176 | octadecanedioic acid | Unavailable | 2017-06-30 |
| CS002573 | octadecanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS003533 | octadecenoic acids | A straight-chain 18-carbon monounsaturated fatty acid. The double bond may be in any feasible position in the chain. May also describe a mixture of isomers fitting this description. | 2017-08-09 |
| CS004513 | octamethylcyclotetrasiloxane | An organosilicon compound and a cyclosiloxane with molecular formula C8H24O4Si4. | 2024-02-16 |
| CS003439 | octatriaconta-16E,23E-dien-2-one | A 38-carbon alkenone (long-chain unsaturated ketone) with two double bonds and the oxygen bonded to carbon 2. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003440 | octatriaconta-16E,23E-dien-3-one | A 38-carbon alkenone (long-chain unsaturated ketone) with two double bonds and the oxygen bonded to carbon 3. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003438 | octatriaconta-9E,16E,23E-trien-2-one | A 38-carbon alkenone (long-chain unsaturated ketone) with three double bonds. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003437 | octatriaconta-9E,16E,23E-trien-3-one | A 38-carbon alkenone (long-chain unsaturated ketone) with three double bonds and and the oxygen bonded to carbon 3. Biomarker and palaeoclimate indicator. | 2017-08-09 |
| CS003180 | octatriacontane | Unavailable | 2017-06-30 |
| CS004350 | octocrylene | An organic compound often used as a UV filter/light absorber in sunscreens and cosmetics. | 2021-09-24 |
| CS004335 | octylphenol | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS003487 | oil and grease | Non-volatile (solid or liquid at room temperature) compounds soluble in n-hexane. | 2017-08-09 |
| CS004015 | okadaic acid (free) | A biotoxin. | 2021-08-25 |
| CS004014 | okadaic acid (total) | A biotoxin. | 2021-08-25 |
| CS004272 | omeprazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003806 | omethoate | An organophosphate insecticide with chemical formula C5H12NO4PS. | 2020-07-06 |
| CS002857 | organic carbon | Atomic carbon that is incorporated into covalently-bonded carbon compounds. | 2016-03-22 |
| CS002887 | organic ligand-bound cobalt | Elemental cobalt that is bound to organic moelecules to form stable complexes in aqueous solution. | 2017-02-23 |
| CS003085 | organic ligand-bound copper | Elemental copper that is bound to organic molecules to form stable complexes in aqueous solution. | 2017-02-23 |
| CS003084 | organic ligand-bound iron | Elemental iron that is bound to organic molecules to form stable complexes in aqueous solution. | 2017-02-23 |
| CS002888 | organic ligand-bound zinc | Elemental zinc that is bound to organic moelecules to form stable complexes in aqueous solution. | 2017-02-23 |
| CS026912 | organic matter | A mixture of carbon compounds derived from living or deceased organisms. | 2022-06-28 |
| CS004456 | organic matter plus carbonates | The sum of organic matter (total organic matter) and carbonates. | 2022-06-28 |
| CS003502 | organic matter- and sulfide-associated copper | Copper classified as being bound in association with organic matter and, when present, sulphides.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2022-10-24 |
| CS003508 | organic matter- and sulfide-associated total iron | Iron in all oxidation states classified as being bound in association with organic matter and, when present, sulphides.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2022-10-24 |
| CS003471 | organic matter- and sulfide-associated total manganese | Manganese in all oxidation states classified as being bound in association with organic matter and, when present, sulphides.This is an operational classification (see e.g. Chester et al 1988 https://doi.org/10.1016/0304-4203(88)90036-9). | 2022-10-24 |
| CS002859 | organic nitrogen | Atomic nitrogen that is incorporated into covalently-bonded carbon compounds. | 2016-03-22 |
| CS000144 | organic phosphorus | Atomic phosphorus that is incorporated into covalently-bonded carbon compounds. Generally determined by measuring inorganic phosphorus (phosphate) in oxidised and unoxidised subsamples and differencing | 2016-03-22 |
| CS003063 | organic selenium | Chemical compounds containing at least one chemical bond between a carbon atom and a selenium atom. | 2017-01-20 |
| CS002954 | ornithine | Unavailable | 2016-05-02 |
| CS004227 | oryzalin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004204 | ovatoxin A | A biotoxin. | 2021-08-25 |
| CS004100 | oxadiazon | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004310 | oxadixyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003563 | oxalate | Any salt or ester of oxalic acid. | 2017-08-09 |
| CS004263 | oxazepam | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002580 | oxychlordane | Unavailable | 2015-09-10 |
| CS003997 | oxyclozanide | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002779 | oxygen | Molecular oxygen | 2015-11-11 |
| CS003368 | oxygen-17 | A stable isotope of the chemical element oxygen. | 2017-07-06 |
| CS003387 | oxygen-17 in water molecules | An isotope of oxygen in the water molecule. | 2017-07-07 |
| CS002809 | oxygen-18 | An isotope of the chemical element oxygen. | 2016-02-26 |
| CS002856 | oxygen-18 in carbonate | An isotope of the chemical element oxygen in the carbonate molecule. | 2016-02-29 |
| CS002858 | oxygen-18 in dissolved oxygen | An isotope of the chemical element oxygen in the oxygen molecule. | 2016-03-07 |
| CS002870 | oxygen-18 in nitrate | An isotope of the chemical element oxygen in the nitrate molecule. | 2016-03-07 |
| CS002869 | oxygen-18 in water molecules | An isotope of the chemical element oxygen in the water molecule. | 2016-03-07 |
| CS004422 | oxytetracycline | A tetracycline with molecular formula C22H24N2O9. | 2022-06-21 |
| CS003171 | ozone | Unavailable | 2017-06-30 |
| CS004435 | p,p'-DDT+p,p'-DDE+p,p'-DDD+o,p'-DDT+o,p'-DDE+o,p'-DDD | A mixture of 6 organochlorine compounds (p,p'-DDT+p,p'-DDE+p,p'-DDD+o,p'-DDT+o,p'-DDE+o,p'-DDD). | 2022-06-21 |
| CS004374 | p,p'-dicofol | An isomer of dicofol, an organochlorine pesticide that is structurally similar and related to DDT. | 2022-06-17 |
| CS002811 | p,p'DDT+p,p'DDD+p,p'DDE | A mixture of organochlorine compounds that are persistent organic pollutants. | 2016-04-11 |
| CS004342 | p-cresol | A phenol derived from the manufacturing or the pharmaceutical industry. | 2021-08-25 |
| CS003797 | p-cresol+m-cresol | A mixture of two cresol isomers. | 2020-07-06 |
| CS003150 | palladium | Unavailable | 2017-06-29 |
| CS002934 | palythene | Unavailable | 2016-05-02 |
| CS002967 | palythine | Unavailable | 2016-05-02 |
| CS003473 | palythine-serine | Micosporine-like amino acid biomarker | 2017-08-09 |
| CS003491 | palythine-serine sulfate | Salt of a micosporine-like amino acid. | 2022-10-24 |
| CS002987 | palythinol | Unavailable | 2016-05-02 |
| CS004034 | palytoxin | A biotoxin. | 2021-08-25 |
| CS003962 | paracetamol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004159 | paralytic shellfish toxins | A biotoxin. | 2021-08-25 |
| CS000781 | parathion-ethyl | Unavailable | 2015-09-03 |
| CS003164 | parathion-methyl | Unavailable | 2017-06-29 |
| CS003703 | parlar 40 (2-endo,3-exo,5-endo,6-exo,8,9,10,10 octachlorobornane) | A toxaphene congener. | 2018-05-24 |
| CS003702 | parlar 41 (2-exo,3-endo,5-exo,8,9,9,10,10 octachlorobornane) | A toxaphene congener. | 2018-05-24 |
| CS003704 | parlar 44 (2-exo,5,5,8,9,9,10,10 octachlorobornane) | A toxaphene congener. | 2018-05-24 |
| CS004222 | pectenotoxin 1 | A biotoxin. | 2021-08-25 |
| CS004033 | pectenotoxin 2 | A biotoxin. | 2021-08-25 |
| CS004032 | pectenotoxin 6 | A biotoxin. | 2021-08-25 |
| CS004320 | pectenotoxin-2-seco acid | A biotoxin. | 2021-08-25 |
| CS004316 | pencycuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004240 | pendimethalin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004168 | pendimethaline / penoxalin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004315 | penfluridol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003694 | pentabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDE). | 2019-04-01 |
| CS004382 | pentachloroanisole | A chlorinated aromatic compound. | 2022-06-17 |
| CS002587 | pentachlorobenzene | Unavailable | 2015-09-10 |
| CS004420 | pentachloroethane | A chloroethane compound with molecular formula: C2HCl5. | 2022-06-21 |
| CS003165 | pentachlorophenol | Unavailable | 2017-06-29 |
| CS002713 | pentachlorothioanisole | Benzene ring with five chlorine atoms and a sulphur atom, which is also connected to a methyl group. Used in the preparation of arenethiols and arenethiolates as seen in agrochemicals or fungicides. | 2015-09-21 |
| CS004194 | pentacosafluorotridecanoic acid | A perfluorinated (organofluorine) compound (PFC). | 2024-03-14 |
| CS001404 | pentacosan-1-ol | Unavailable | 2015-09-03 |
| CS000788 | pentacosane | Unavailable | 2015-09-03 |
| CS003154 | pentacosanedioic acid | Unavailable | 2017-06-30 |
| CS000795 | pentacosanoic acid | Unavailable | 2015-09-03 |
| CS001411 | pentadecan-1-ol | Unavailable | 2015-09-03 |
| CS003159 | pentadecane | Unavailable | 2017-06-30 |
| CS003153 | pentadecanedioic acid | Unavailable | 2017-06-30 |
| CS000802 | pentadecanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS003160 | pentane | Unavailable | 2017-06-30 |
| CS003157 | pentatriacontane | Unavailable | 2017-06-30 |
| CS004380 | perfluorobutanesulfonic acid | A perfluorinated (organofluorine) compound (PFC). | 2022-06-17 |
| CS003804 | perfluorobutanoic acid | An organofluorine compound with the formula C4HF7O2. | 2024-06-12 |
| CS003983 | perfluoroctylsulfonamide | A perfluorinated (organofluorine) compound (PFC). | 2021-08-25 |
| CS003707 | perfluorodecanesulfonic acid | An organofluorine. | 2018-05-24 |
| CS003708 | perfluorodecanoic acid | An organofluorine. | 2018-05-24 |
| CS003709 | perfluorododecanoic acid | An organofluorine. | 2018-05-24 |
| CS003982 | perfluoroheptanesulfonic acid | A perfluorinated (organofluorine) compound (PFC). | 2021-08-25 |
| CS003710 | perfluoroheptanoic acid | An organofluorine. | 2018-05-24 |
| CS003711 | perfluorohexanesulfonic acid | An organofluorine. | 2018-05-24 |
| CS003712 | perfluorohexanoic acid | An organofluorine. | 2018-05-24 |
| CS004535 | perfluorononanesulfonic acid | A perfluorinated (organofluorine) compound (PFC). | 2024-02-16 |
| CS003713 | perfluorononanoic acid | An organofluorine. | 2018-05-24 |
| CS004154 | perfluorooctanesulfonate | A perfluorinated (organofluorine) compound (PFC). | 2021-08-25 |
| CS003715 | perfluorooctanyl sulfonic acid | An organofluorine. | 2024-08-01 |
| CS004546 | perfluorooctanyl sulfonic acid (branched) | A branched organofluorine with molecular formula C8HF17O3S. | 2024-08-01 |
| CS004550 | perfluorooctanyl sulfonic acid (linear) | A linear organofluorine with molecular formula C8HF17O3S. | 2024-08-01 |
| CS003706 | perfluorooctylsulfonate acid amide | An organofluorine. | 2018-05-24 |
| CS004534 | perfluoropentanesulfonic acid | A perfluorinated (organofluorine) compound (PFC). | 2024-02-16 |
| CS004155 | perfluoropentanoic acid | A perfluorinated (organofluorine) compound (PFC). | 2021-08-25 |
| CS004024 | perfluorotetradecanoic acid | A perfluorinated (organofluorine) compound (PFC). | 2021-08-25 |
| CS003843 | perfluoroundecanoic acid | An organofluorine compound with the formula C11HF21O2. | 2020-07-06 |
| CS003011 | peridinin | Unavailable | 2016-05-02 |
| CS003815 | permethrin | Unavailable | 2020-07-06 |
| CS002594 | perylene | Unavailable | 2015-09-10 |
| CS002916 | phaeophorbide-a | Unavailable | 2016-05-02 |
| CS002973 | phaeophorbide-b | Unavailable | 2016-05-02 |
| CS002998 | phaeophytin-a | A pigment with the same molecular structure as chlorophyll-a but without the central magnesium ion Mg2+. Phaeophytin (syn. pheophytin) plays a key role in the photosynthetic electron transport chains of plants and purple bacteria. | 2019-06-07 |
| CS002999 | phaeophytin-b | Unavailable | 2016-05-02 |
| CS002902 | phaeopigments | A grouping term for pheophytins and pheophorbides; dominated by non-photosynthetic pigments issued from the breakdown of chlorophyll molecules; the only known exception is pheophytin-a which can also play a role as an electron acceptor in the photochemistry of plants and some bacteria. | 2016-04-13 |
| CS002601 | phenanthrene | A polycyclic aromatic hydrocarbon (PAH) with formula C14H10. | 2022-06-17 |
| CS004397 | phenmedipham | A carbamate ester with molecular formula C16H16N2O4. | 2022-06-21 |
| CS003167 | phenol | Unavailable | 2017-06-29 |
| CS003327 | phenols | A group of chemical compounds comprised of one or more aromatic hydrocarbons bound to at least one hydroxyl group; phenol is the simplest of the phenols. | 2017-07-10 |
| CS002977 | phenylalanine | Unavailable | 2016-05-02 |
| CS004079 | phosalone | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003873 | phosphamidon | Unavailable | 2020-07-06 |
| CS026904 | phosphate | Unavailable | 2016-04-14 |
| CS003489 | phosphatidylcholine | Phospholipid used as a pharmaceutical. A glycerophosphocholine that is glycero-3-phosphocholine bearing two acyl substituents at positions 1 and 2. | 2017-08-09 |
| CS003444 | phosphatidylethanolamine | A class of glycerophospholipids in which a phosphatidyl group is esterified to the hydroxy group of ethanolamine. | 2017-08-09 |
| CS003454 | phosphatidylglycerol | A glycerophosphoglycerol that is glycerol in which the hydrogen of one of the primary hydroxy groups has been replaced by a phosphatidyl group. | 2017-08-09 |
| CS003557 | phospholipids | Any lipid or mixture of lipids containing phosphoric acid as a mono- or di-ester. The term encompasses phosphatidic acids and phosphoglycerides. | 2017-08-09 |
| CS004360 | phosphorus (expressed as phosphorus pentoxide) | Pending. | 2022-04-05 |
| CS003369 | phosphorus pentoxide | Unavailable | 2017-07-06 |
| CS003418 | phosphorus-31 | An isotope of chemical element phosphorus | 2017-08-02 |
| CS004244 | phoxim | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004553 | phycocyanin | A pigment-protein complex from the light-harvesting phycobiliprotein family with a characteristic light blue color. It is an accessory pigment to chlorophyll. | 2024-10-18 |
| CS003155 | phycoerythrin | Unavailable | 2017-06-29 |
| CS001418 | phytol | Unavailable | 2015-09-03 |
| CS004389 | picoxystrobin | A fungicide with molecular formula C18H16F3NO4. | 2022-06-21 |
| CS004314 | pimozide | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004061 | pinnatoxin a | A biotoxin. | 2021-08-25 |
| CS004065 | pinnatoxin e | A biotoxin. | 2021-08-25 |
| CS004063 | pinnatoxin f | A biotoxin. | 2021-08-25 |
| CS004062 | pinnatoxin g | A biotoxin. | 2021-08-25 |
| CS004107 | piperonyl butoxide | Chemical substance used as an insecticide. | 2021-08-25 |
| CS000809 | pirimicarb | Unavailable | 2015-09-03 |
| CS001425 | pirimiphos-methyl | Unavailable | 2015-09-03 |
| CS002767 | plutonium-238 | An isotope of the chemical element plutonium | 2015-11-11 |
| CS002768 | plutonium-239 | An isotope of the chemical element plutonium | 2015-11-11 |
| CS003526 | plutonium-239+plutonium-240 | A mixture of two radioactive isotopes of plutonium. | 2017-08-09 |
| CS002769 | plutonium-240 | An isotope of the chemical element plutonium | 2015-11-11 |
| CS002770 | polonium-210 | An isotope of the chemical element polonium | 2015-11-11 |
| CS002771 | polonium-218 | An isotope of the chemical element polonium | 2015-11-11 |
| CS003786 | polybromodiphenyl ether | A mixture of all 209 congeners polybrominated diphenyl ethers (PBDEs). | 2019-04-11 |
| CS004383 | polychlorobiphenyls (sum of unknown congeners) | A mixture of polychlorobiphenyl congeners. | 2022-06-17 |
| CS004067 | polychlorobiphenyls (sum) | A mixture (or sum) of all PCB congeners. | 2021-08-25 |
| CS004454 | polycyclic aromatic hydrocarbons (sum of unknown congeners) | A mixture of polycyclic aromatic hydrocarbons congeners. | 2022-06-23 |
| CS003979 | polyethylene glycol tert-octylphenyl ether | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS003607 | poriferast-5-en-3beta-ol | 29-carbon plant sterol of interest as a biomarker | 2017-08-09 |
| CS003486 | porphyra-334 | Mycosporine-like amino acid. | 2017-08-09 |
| CS002923 | potassium | Unavailable | 2016-05-02 |
| CS004364 | potassium (expressed as potassium oxide) | Pending. | 2022-04-05 |
| CS003370 | potassium oxide | Also known as potash. | 2017-07-06 |
| CS003716 | potassium perfluorobutanesulfonate | An organofluorine. | 2018-05-24 |
| CS002686 | potassium-40 | A naturally occurring radioactive isotope of potassium | 2015-09-18 |
| CS002786 | praseodymium | A Rare Earth Element (REE) | 2015-12-15 |
| CS002974 | prasinoxanthin | Unavailable | 2016-05-02 |
| CS004026 | pravastatin | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003322 | primary amines | Organic derivates of ammonia where one hydrogen atom is replaced by an hydrocarbon group. | 2017-06-30 |
| CS004281 | primidone | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004325 | prochloraz | Chemical substance used as a fongicide. | 2021-08-25 |
| CS003998 | prochlorperazine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004326 | procymidone | Chemical substance used as a fongicide. | 2021-08-25 |
| CS004192 | profluralin | Chemical substance used as an herbicide. | 2021-08-25 |
| CS003847 | prometryn | Unavailable | 2020-07-06 |
| CS004246 | propachlor | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003836 | propakvisafop | Unavailable | 2020-07-06 |
| CS003857 | propamocarb hydrochloride | Unavailable | 2020-07-06 |
| CS003161 | propane | Unavailable | 2017-06-29 |
| CS004017 | propanil | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004323 | propargite | Chemical substance used as an acaricide. | 2021-08-25 |
| CS000816 | propazine | Unavailable | 2015-09-03 |
| CS003162 | propene | Unavailable | 2017-06-30 |
| CS000823 | propetamphos | Unavailable | 2015-09-03 |
| CS004390 | propham | A carbamate ester with molecular formula C10H13NO2. | 2022-06-21 |
| CS003869 | propiconazole | Unavailable | 2020-07-06 |
| CS001432 | propoxur | Unavailable | 2015-09-03 |
| CS003964 | propranolol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003371 | propylbenzene | Unavailable | 2017-07-06 |
| CS004088 | propyzamide | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004069 | prosulfocarb | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004184 | prosulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002772 | protactinium-231 | An isotope of the chemical element protactinium | 2015-11-11 |
| CS002812 | protein | Large biomolecule, or macromolecule, consisting of one or more long chains of amino acids linked by peptide bonds. | 2017-07-29 |
| CS003323 | proteins DEPRECATED | This code duplicates an existing code and has been deprecated; use CS002812 instead | 2017-07-30 |
| CS003818 | prothioconazole-desthio | Unavailable | 2020-07-06 |
| CS004066 | pteriatoxin A | A biotoxin. | 2021-08-25 |
| CS004012 | pteriatoxin B | A biotoxin. | 2021-08-25 |
| CS004064 | pteriatoxin C | A biotoxin. | 2021-08-25 |
| CS003968 | pymetrozine | Chemical substance used as an insecticide. | 2021-08-25 |
| CS004185 | pyraclostrobine | Chemical substance used as a fongicide. | 2021-08-25 |
| CS004080 | pyrazophos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS002125 | pyrene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2015-09-10 |
| CS000830 | pyridaben | Unavailable | 2015-09-03 |
| CS004312 | pyrimethanil | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004081 | pyrimiphos-ethyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS001439 | pyriproxyfen | Unavailable | 2015-09-03 |
| CS004467 | pyrophaeophorbide-a | A degradation product of chlorophyll-a predominantly formed by grazing processes. Its chemical formula is C33H34N4O3. | 2022-10-20 |
| CS002975 | pyrophaeophytin-a | Unavailable | 2016-05-02 |
| CS004116 | quinalphos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003372 | quinine sulfate | Unavailable | 2022-10-24 |
| CS004429 | quinmerac | A quinolinemonocarboxylic acid with molecular formula C11H8ClNO2. | 2022-06-21 |
| CS003785 | quinoxyfen | An organochlorine antifungal substance. | 2019-04-11 |
| CS003848 | quintozene | Unavailable | 2020-07-06 |
| CS004249 | quizalofop | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004025 | quizalofop-p-ethyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004311 | quizalofop-p-tefuryl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003551 | radium-223 | An isotope of the chemical element radium, one of six chemical elements classified as an alkaline earth metal. Its atomic number is 88. | 2021-05-17 |
| CS002758 | radium-224 | An isotope of the chemical element radium, one of six chemical elements classified as an alkaline earth metal. Its atomic number is 88. | 2021-05-17 |
| CS002759 | radium-226 | An isotope of the chemical element radium, one of six chemical elements classified as an alkaline earth metal. Its atomic number is 88. | 2021-05-17 |
| CS002760 | radium-228 | An isotope of the chemical element radium, one of six chemical elements classified as an alkaline earth metal. Its atomic number is 88. | 2021-05-17 |
| CS003373 | radon-220 | An isotope of the chemical element radon soemthimes referred to as thoron. | 2017-07-06 |
| CS003374 | radon-222 | An isotope of the chemical element radon. | 2017-07-06 |
| CS004321 | ranitidine | A pharmaceutical compound belonging to the furans. | 2021-08-25 |
| CS003118 | reactive mercury | Operationally defined as atomic mercury present in any compounds that can be determined without prior oxidation; sometimes referred to as stannous-chloride-reducible mercury. | 2017-04-19 |
| CS003026 | refractory aluminium | Atomic aluminium that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS002889 | refractory cadmium | Atomic cadmium that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS002890 | refractory cobalt | Atomic cobalt that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS003027 | refractory iron | Atomic iron that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS003029 | refractory manganese | Atomic manganese that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS002891 | refractory organic carbon | Organic carbon that is not readily available to biological consumption. | 2019-08-05 |
| CS003030 | refractory phosphorus | Atomic phosphorus that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS003028 | refractory titanium | Atomic titanium that is strongly bound to organic or inorganic ligands. | 2019-08-05 |
| CS003851 | resorcinol | Unavailable | 2020-07-06 |
| CS003764 | retene | A polycyclic aromatic hydrocarbon - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2019-03-14 |
| CS003558 | rhodamines | Any member or members of the rhodamine family of fluorescent dyes. | 2017-08-09 |
| CS003156 | ribonucleic acid | Unavailable | 2017-06-29 |
| CS004248 | rimsulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004056 | ritonavir | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004424 | roxithromycin | A semisynthetic derivative of erythromycin A with molecular formula C41H76N2O15. | 2022-06-21 |
| CS003116 | rubidium | The chemical element rubidium. | 2017-04-19 |
| CS004425 | saccharin | An artificial sweetener with molecular formula C7H5NO3S. | 2022-06-21 |
| CS004313 | salbutamolbase | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003963 | salicylic acid | An organic compound (monohydroxybenzoic acid) with formula C7H6O3, it is a plant hormone and a precursor to and a metabolite of aspirin [ChEBI, 17/08/2021]. | 2021-08-25 |
| CS002793 | samarium | A Rare Earth Element (REE) | 2015-12-15 |
| CS004268 | saquinavir | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS026910 | scandium | The chemical element scandium. | 2016-10-03 |
| CS003854 | sebuthylazine | A chemical compound used as an herbicide. | 2020-07-06 |
| CS003375 | sec-butylbenzene | Unavailable | 2017-07-06 |
| CS004162 | secbumetone | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003059 | selenate | Divalent selenium oxoanion containing 1 selenium atom bound to 4 oxygen atoms. | 2017-01-19 |
| CS003061 | selenide | Selenium ion with oxidation state -2. | 2017-01-19 |
| CS003060 | selenite | Divalent selenium oxoanion containing 1 selenium atom bound to 3 oxygen atoms. | 2017-01-19 |
| CS002608 | selenium | A non-metal chemical element with symbol Se and atomic number 34. | 2017-01-19 |
| CS002936 | serine | Unavailable | 2016-05-02 |
| CS003000 | shinorine | Unavailable | 2016-05-02 |
| CS003559 | shinorine methyl esters | Any methyl ester (2 possible isomers) or an isomer mixture formed from the mycosprorine-like amino acid shinorine. | 2017-08-09 |
| CS004303 | sildenafil | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS026903 | silicate | Unavailable | 2016-04-14 |
| CS003151 | silicon | Unavailable | 2017-06-29 |
| CS004357 | silicon (expressed as silicon dioxide) | Pending. | 2022-04-05 |
| CS003376 | silicon dioxide | Unavailable | 2017-07-06 |
| CS003668 | silicon-30 | An isotope of the chemical element silicon. | 2018-04-19 |
| CS003671 | silicon-30 in biogenic silica | An isotope of the chemical element silicon in biogenic silica. | 2018-04-19 |
| CS003669 | silicon-30 in silicate | An isotope of the chemical element silicon in silicate molecule. | 2018-04-19 |
| CS002615 | silver | Unavailable | 2015-09-10 |
| CS003413 | silver-107 | An isotope of chemical element silver | 2017-08-02 |
| CS003414 | silver-109 | An isotope of chemical element silver | 2017-08-02 |
| CS000837 | simazine | Unavailable | 2015-09-03 |
| CS004300 | simazine-2-hydroxy | A marine xenobiotic metabolite derived from the herbicide simazine. | 2021-08-25 |
| CS004423 | simvastatin | A statin with molecular formula C25H38O5. | 2022-06-21 |
| CS002904 | sodium | Unavailable | 2016-05-02 |
| CS004370 | sodium (expressed as sodium oxide) | Pending. | 2022-04-05 |
| CS003163 | sodium chloride | Unavailable | 2017-06-29 |
| CS004398 | sodium cyclamate | An artificial sweetener with molecular formula C6H12NNaO3S. | 2022-06-21 |
| CS003377 | sodium oxide | Unavailable | 2017-07-06 |
| CS003075 | soluble aluminium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003389 | soluble ammonium | An ammonium ion that is incorporated into any compound readily dissolved in water. | 2017-07-21 |
| CS003107 | soluble antimony | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003094 | soluble arsenic | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003095 | soluble barium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003124 | soluble bromide | A bromide ion that is incorporated into any compound readily dissolved in water. | 2017-06-14 |
| CS003067 | soluble cadmium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003121 | soluble caesium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-20 |
| CS003096 | soluble calcium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003097 | soluble cerium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003123 | soluble chloride | A chloride ion that is incorporated into any compound readily dissolved in water. | 2017-06-14 |
| CS003098 | soluble chromium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003068 | soluble cobalt | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003066 | soluble copper | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003126 | soluble fluoride | A fluoride ion that is incorporated into any compound readily dissolved in water. | 2017-06-15 |
| CS003077 | soluble iodine | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003071 | soluble iron | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003388 | soluble iron-56 | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-07-07 |
| CS003564 | soluble iron-57 | Atom of specified isotope that is incorporated into any compound which is readily dissolved in water. | 2017-08-09 |
| CS003100 | soluble lanthanum | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003069 | soluble lead | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003101 | soluble lithium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003073 | soluble magnesium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003076 | soluble manganese | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003102 | soluble molybdenum | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003104 | soluble neodymium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003072 | soluble nickel | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003122 | soluble nitrate | A nitrate ion that is incorporated into any compound readily dissolved in water. | 2017-06-14 |
| CS003105 | soluble phosphorus | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003099 | soluble potassium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003106 | soluble rubidium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003108 | soluble scandium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003109 | soluble selenium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003103 | soluble sodium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003111 | soluble strontium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003125 | soluble sulfate | A sulphate ion (alternative spelling 'sulfate') that is incorporated into any compound readily dissolved in water. | 2022-10-24 |
| CS003070 | soluble thorium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003110 | soluble tin | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS003074 | soluble titanium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-02-15 |
| CS003112 | soluble uranium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS002892 | soluble vanadium | Unavailable. | 2016-03-22 |
| CS003113 | soluble yttrium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS002893 | soluble zinc | Unavailable. | 2016-03-22 |
| CS003114 | soluble zirconium | Atom of specified element that is incorporated into any compound readily dissolved in water. | 2017-04-19 |
| CS004301 | sotalol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003970 | spinosad | Chemical substance used as an insecticide. | 2021-08-25 |
| CS004233 | spirolide-a | A biotoxin. | 2021-08-25 |
| CS004005 | spirolide-b | A biotoxin. | 2021-08-25 |
| CS004006 | spirolide-c | A biotoxin. | 2021-08-25 |
| CS004007 | spirolide-d | A biotoxin. | 2021-08-25 |
| CS003861 | spiroxamine | Unavailable | 2020-07-06 |
| CS003158 | squalene | Unavailable | 2017-06-29 |
| CS002622 | strontium | One of six chemical elements classified as an alkaline earth metal. Its atomic number is 38. | 2021-05-17 |
| CS002773 | strontium-90 | An isotope of the chemical element strontium | 2015-11-11 |
| CS003166 | styrene | Unavailable | 2017-06-29 |
| CS000844 | sulcofuron | Unavailable | 2015-09-03 |
| CS004099 | sulcotrione | Chemical substance used as an herbicide. | 2021-08-25 |
| CS004417 | sulfadiazine | An antibiotic with molecular formula C10H10N4O2S. | 2022-06-21 |
| CS004418 | sulfamethoxazole | An An isoxazole with molecular formula C10H11N3O3S. | 2022-06-21 |
| CS002976 | sulfate | Unavailable | 2022-10-24 |
| CS003378 | sulfide | Unavailable | 2022-10-24 |
| CS003984 | sulfluramid | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003393 | sulfolipid (UDP-sulfoquinovose) [Sequence: FDYDGDYGTVLNR; Organism: not specified] | Protein identified using targeted proteomics. | 2022-10-24 |
| CS003403 | sulfolipid (UDP-sulfoquinovose) [Sequence: NEAVENDLIVDNK; Organism: not specified] | Protein identified using targeted proteomics. | 2022-10-24 |
| CS003399 | sulfolipid (UDP-sulfoquinovose) [Sequence: VASLTGADINYLPNPR; Organism: not specified] | Protein identified using targeted proteomics. | 2022-10-24 |
| CS003539 | sulfoquinovosyldiacylglycerol | A sulfolipid found in abundance in photosynthetic organelles in plants and algae. | 2022-10-24 |
| CS004131 | sulfosulfuron | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003152 | sulfur | Unavailable | 2022-02-17 |
| CS004362 | sulfur (expressed as sulfur trioxide) | Pending. | 2022-04-05 |
| CS002878 | sulfur hexafluoride | Unavailable. | 2022-02-17 |
| CS003379 | sulfur trioxide | Unavailable | 2022-02-17 |
| CS004356 | sulfur-34 | A stable isotope of sulfur (alternative spelling sulphur). | 2022-02-17 |
| CS004544 | syn-dechlorane plus | A polychlorinated compound used as a flame retardant and pesticide with molecular formula C18H12Cl12. | 2024-02-16 |
| CS003974 | tamoxifen | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003131 | tantalum | Unavailable | 2017-06-29 |
| CS003675 | tar DEPRECATED | A dark, oily, and viscous substance, consisting mainly of hydrocarbons. | 2018-10-12 |
| CS003853 | tau-fluvalinate | Unavailable | 2020-07-06 |
| CS002917 | taurine | Unavailable | 2016-05-02 |
| CS003807 | tebuconazole | Unavailable | 2020-07-06 |
| CS004117 | tebufenozide | Chemical substance used as an insecticide. | 2021-08-25 |
| CS004177 | tebutam | Chemical substance used as a pesticide. | 2021-08-25 |
| CS001446 | teflubenzuron | Unavailable | 2015-09-03 |
| CS003145 | tellurium | Unavailable | 2017-06-29 |
| CS002629 | telodrin | Unavailable | 2015-09-10 |
| CS004118 | temephos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004018 | terbacil | Chemical substance used as an herbicide. | 2021-08-25 |
| CS002787 | terbium | A Rare Earth Element (REE) | 2015-12-15 |
| CS004082 | terbufos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004241 | terbumeton | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004341 | terbutaline | A phenol derived from the manufacturing or the pharmaceutical industry. | 2021-08-25 |
| CS000858 | terbuthylazine | An herbicide. | 2020-06-30 |
| CS004127 | terbuthylazine-desethyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS000851 | terbutryn | Unavailable | 2015-09-03 |
| CS004334 | tetrabromobisphenol a | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS003695 | tetrabromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDE). | 2019-04-01 |
| CS003148 | tetrabutyltin | Unavailable | 2017-06-29 |
| CS003622 | tetrabutyltin (expressed as tin) | Unavailable | 2017-12-14 |
| CS004333 | tetrachlorobisphenol a | Chemical substance belonging to a group of chemical compounds used in the petrochemical or plastic manufacturing industry as e.g. UV stabilizers, antioxydants or their derivatives. | 2021-08-25 |
| CS003138 | tetrachloroethene | Unavailable | 2017-06-30 |
| CS003013 | tetrachloromethane | A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2016-05-16 |
| CS004083 | tetrachlorvinphos | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004284 | tetraconazole | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003140 | tetracontane | Unavailable | 2017-06-30 |
| CS001453 | tetracosan-1-ol | Unavailable | 2015-09-03 |
| CS000865 | tetracosane | Unavailable | 2015-09-03 |
| CS003135 | tetracosanedioic acid | Unavailable | 2017-06-30 |
| CS001460 | tetracosanoic acid | Unavailable | 2015-09-03 |
| CS003537 | tetracosenoic acids | A straight-chain 24-carbon monounsaturated fatty acid. The double bond may be in any feasible position in the chain. May also describe a mixture of isomers fitting this description. | 2017-08-09 |
| CS004412 | tetracycline | A polyketide antibiotic with molecular formula C22H24N2O8. | 2022-06-21 |
| CS000872 | tetradecan-1-ol | Unavailable | 2015-09-03 |
| CS003141 | tetradecane | Unavailable | 2017-06-30 |
| CS001467 | tetradecanedioic acid | Unavailable | 2015-09-03 |
| CS000879 | tetradecanoic acid | A saturated fatty acid. | 2016-02-26 |
| CS003957 | tetraethyllead | An organometallic compound. | 2021-08-25 |
| CS003976 | tetramethrin | Chemical substance used as a pesticide. | 2021-08-25 |
| CS000886 | tetratriacontan-1-ol | Unavailable | 2015-09-03 |
| CS003137 | tetratriacontane | Unavailable | 2017-06-30 |
| CS001474 | tetratriacontanoic acid | Unavailable | 2015-09-03 |
| CS003132 | thallium | Unavailable | 2017-06-29 |
| CS004351 | thallium-208 | An isotope of the chemical element thallium. | 2022-01-21 |
| CS004043 | theophylline | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004180 | thiabendazole | Chemical substance used as a fongicide. | 2021-08-25 |
| CS003859 | thiacloprid | Unavailable | 2020-07-06 |
| CS003890 | thiamethoxam | Unavailable | 2020-07-06 |
| CS004230 | thifensulfuron-methyl | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004070 | thiodicarb | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004130 | thiometon | Chemical substance used as a pesticide. | 2021-08-25 |
| CS004108 | thiram | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002979 | thorium | Unavailable | 2016-05-02 |
| CS002774 | thorium-228 | An isotope of the chemical element thorium | 2015-11-11 |
| CS002775 | thorium-230 | An isotope of the chemical element thorium | 2015-11-11 |
| CS003050 | thorium-232 | The most naturally abundant isotope of the radioactive element thorium. | 2016-10-10 |
| CS002776 | thorium-234 | An isotope of the chemical element thorium | 2015-11-11 |
| CS002777 | thorium-238 | An isotope of the chemical element thorium | 2015-11-11 |
| CS002964 | threonine | Unavailable | 2016-05-02 |
| CS002795 | thulium | A Rare Earth Element (REE) | 2015-12-15 |
| CS003380 | thymidine | Unavailable | 2017-07-06 |
| CS004276 | timiperone | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS004057 | timolol | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS003004 | tin | Unavailable | 2016-05-02 |
| CS002918 | titanium | Unavailable | 2016-05-02 |
| CS004367 | titanium (expressed as titanium dioxide) | Pending. | 2022-04-05 |
| CS003381 | titanium dioxide | Unavailable | 2017-07-06 |
| CS003419 | titanium-47 | An isotope of chemical element titanium | 2017-08-02 |
| CS003420 | titanium-49 | An isotope of chemical element titanium | 2017-08-02 |
| CS000893 | tolclofos-methyl | Unavailable | 2015-09-03 |
| CS003879 | tolylfluanid | Unavailable | 2020-07-06 |
| CS004348 | tonalid | A synthetic fragrance used in the cosmetic industry. Also known as 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one and 2-Acetyl-3,5,5,6,8,8-hexamethyl-5,6,7,8- tetrahydronaphthalene, among other names. | 2021-09-24 |
| CS002860 | total carbon | Atomic carbon that is incorporated into any compound. | 2016-03-22 |
| CS004509 | total hydrocarbons | A mixture of unspecified hydrocarbon congoners. | 2024-02-16 |
| CS004552 | total hydrolysable amino acids | A mixture containing all amino acids that may be determined in a sample that has undergone a hydrolysis step. This is an operational classification (see e.g. Repeta and Aluwihare 2024 https://doi.org/10.1016/B978-0-443-13858-4.00011-3). | 2024-09-04 |
| CS002894 | total inorganic carbon | The sum of inorganic carbon species. The inorganic carbon species include carbon dioxide, carbonic acid, bicarbonate anion, and carbonate. | 2016-03-08 |
| CS000284 | total iron | Atomic iron that is incorporated into any compound, including cations. Includes all oxidation states. | 2016-03-22 |
| CS004369 | total iron (expressed as ferric oxide) | Pending. | 2022-04-05 |
| CS003509 | total iron ion | Iron in any oxidation state as free ions (i.e. not bound into ligands) in aqueous solution. | 2017-08-09 |
| CS003673 | total iron-56 | Atomic iron-56 isotope that is incorporated into any compound, including cations. Includes all oxidation states. | 2018-04-19 |
| CS003672 | total iron-57 | Atomic iron-57 isotope that is incorporated into any compound, including cations. Includes all oxidation states. | 2018-04-19 |
| CS000305 | total manganese | Atomic manganese that is incorporated into any compound or cations in solution. Includes all oxidation states. | 2016-03-22 |
| CS001621 | total mercury | Atomic mercury that is incorporated into any compound, including cations. Includes all oxidation states. | 2016-03-22 |
| CS002866 | total nitrogen | Atomic nitrogen that is incorporated into any compound. | 2016-03-22 |
| CS002685 | total petroleum hydrocarbons | A mixture comprising all substances comprising totally of carbon and hydrogen that may be extracted from a sample using an organic solvent. These are presumed sourced from crude oil. | 2015-09-14 |
| CS000151 | total phosphorus | Atomic phosphorus that is incorporated into any compound. Includes all oxidation states. | 2016-03-22 |
| CS003664 | total polycyclic aromatic hydrocarbons | A mixture of all polycyclic aromatic hydrocarbons - compounds containing only carbon and hydrogen atoms arranged in multiple aromatic rings. An organic pollutant. | 2018-03-18 |
| CS003149 | trans-1,2-dichloroethene | Unavailable | 2017-06-29 |
| CS003382 | trans-1,3-dichloropropene | Unavailable | 2021-08-12 |
| CS002978 | trans-11-octadecenoic acid | Unavailable | 2016-05-02 |
| CS003142 | trans-2-butene | Unavailable | 2017-06-29 |
| CS003143 | trans-2-pentene | Unavailable | 2017-06-29 |
| CS003556 | trans-6-octadecenoic acid | An octadecenoic (18-carbon) monounsaturated fatty acid having a trans double bond at position 6. | 2017-08-09 |
| CS001481 | trans-9,trans-12-octadecadienoic acid | Unavailable | 2015-09-03 |
| CS002960 | trans-9-hexadecenoic acid | Unavailable | 2016-05-02 |
| CS000900 | trans-9-octadecenoic acid | Unavailable | 2015-09-03 |
| CS002636 | trans-heptachlor epoxide | Unavailable | 2015-09-10 |
| CS002643 | trans-nonachlor | Unavailable | 2015-09-10 |
| CS003144 | trans-permethrin | Unavailable | 2017-06-29 |
| CS001488 | triacontan-1-ol | Unavailable | 2015-09-03 |
| CS000907 | triacontane | Unavailable | 2015-09-03 |
| CS000914 | triacontanoic acid | Unavailable | 2015-09-03 |
| CS003821 | triadimenol | Unavailable | 2020-07-06 |
| CS003855 | triallate | Unavailable | 2020-07-06 |
| CS001495 | triazophos | Unavailable | 2015-09-03 |
| CS003747 | tribromoacetic acid | Unavailable | 2018-12-17 |
| CS003696 | tribromodiphenyl ether | A mixture of congeners of polybrominated diphenyl ethers (PBDE). | 2019-04-01 |
| CS003001 | tribromomethane | Unavailable | 2018-12-17 |
| CS004393 | tributyl phosphate | An organophosphorus with molecular formula C12H27O4P. | 2022-06-21 |
| CS002650 | tributyltin (expressed as cation) | An organotin cation whose chemical formula is (C4H9)3Sn+. The term 'expressed as cation' indicates that the molecular weight used to convert moles to mass is the molecular weight of the cation. | 2023-08-14 |
| CS002813 | tributyltin (expressed as tin) | A class of organotin compounds which contain the (C4H9)3Sn group. Expressed as tin means that the molecular weight is taken as the atomic weight of tin. | 2017-09-26 |
| CS002814 | tributyltin compounds | A class of organotin compounds which contain the (C4H9)3Sn group. | 2016-02-26 |
| CS004226 | trichlopyr | Chemical substance used as an herbicide. | 2022-03-27 |
| CS004408 | trichlorfon | A phosphonic ester with molecular formula C4H8Cl3O4P. | 2022-06-21 |
| CS003748 | trichloroacetic acid | An organochlorine compound. | 2018-12-18 |
| CS003749 | trichloroacetonitrile | Unavailable | 2018-12-17 |
| CS003383 | trichlorobenzenes | A mixture of the 3 possible isomers of trichlorobenzene. | 2017-09-26 |
| CS003463 | trichloroethanes | A mixture in any proportion of the isomers of trichloroethane. | 2017-08-09 |
| CS002961 | trichlorofluoromethane | Unavailable | 2016-05-02 |
| CS003033 | trichloromethane | A one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. It is one of the four chloromethanes and a trihalomethane. | 2016-07-26 |
| CS003756 | trichloronitromethane | Organic compound with the formula CCl3NO2. | 2019-02-25 |
| CS004158 | triclocarban | An organochlorine compound (chlorobenzene and phenylurea) with formula C13H9Cl3N2O once commonly used in personal care products due to its antibacterial properties [ChEBI and Wikipedia, 17/08/2021]. | 2021-08-25 |
| CS004297 | triclosan | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS000921 | tricosan-1-ol | Unavailable | 2015-09-03 |
| CS000928 | tricosane | Unavailable | 2015-09-03 |
| CS003133 | tricosanedioic acid | Unavailable | 2017-06-30 |
| CS001502 | tricosanoic acid | Unavailable | 2015-09-03 |
| CS004524 | tricresyl phosphate | An organophosphate flame retardant metabolite with molecular formula C21H21O4P. | 2024-02-16 |
| CS003858 | tricyclohexyltin | An organotin with molecular formula C36H66Sn2. | 2020-07-06 |
| CS004378 | tricyclohexyltin (expressed as cation) | Organotin compound with molecular formula C18H33Sn, also known as tricyclohexyltin. The term "expressed as cation" indicates that the molecular weight used to convert moles to mass is the molecular weight of the cation. | 2022-06-17 |
| CS000935 | tridecan-1-ol | Unavailable | 2015-09-03 |
| CS004416 | tridecane | A straight chain alkane containing 13 carbon atoms with molecular formula C13H28. | 2022-06-21 |
| CS001229 | tridecanedioic acid | Unavailable | 2015-09-03 |
| CS001236 | tridecanoic acid | Unavailable | 2015-09-03 |
| CS004517 | triethyl phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C6H15O4P. | 2024-02-16 |
| CS004196 | triethyllead | An organometallic compound. | 2021-08-25 |
| CS004186 | trifloxystrobin | Chemical substance used as a fongicide. | 2021-08-25 |
| CS003146 | trifluorochloromethane | Unavailable | 2017-06-30 |
| CS003147 | trifluoromethylsulfur pentafluoride | Unavailable | 2022-02-17 |
| CS001243 | trifluralin | Unavailable | 2015-09-03 |
| CS002855 | triglycerides | Esters derived from glycerol and three fatty acids. | 2016-02-29 |
| CS004519 | triisobutyl phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C12H27O4P. | 2024-02-16 |
| CS004520 | triisobutyl phosphate+tributyl phosphate | A mixture (or sum) of the specified organophosphates. | 2024-02-16 |
| CS004419 | trimethoprim | An antibiotic with molecular formula C14H18N4O3. | 2022-06-21 |
| CS002939 | trimethylamine | Unavailable | 2016-05-02 |
| CS004197 | trimethylchrysenes | Mixture (or sum) of the undifferentiated isomers of the methylchrysene with chemical formula C21H18. | 2021-08-25 |
| CS003494 | trimethylnaphthalenes | A mixture of the isomers of napthalene (two fused benzene rings) with three methyl groups attached. | 2017-08-09 |
| CS004386 | triphenyl phosphate | An aryl phosphate with molecular formula C18H15O4P. | 2022-06-23 |
| CS002657 | triphenylene | Unavailable | 2015-09-10 |
| CS004322 | triphenyltin | A organotin with molecular formula C18H16Sn. | 2021-08-25 |
| CS002815 | triphenyltin (expressed as tin) | A class of organotin compounds based on three benzene rings bound to an atom of tin. Expressed as tin means that the molecular weight is taken as the atomic weight of tin. | 2017-08-09 |
| CS001250 | triphenyltin cation | Unavailable | 2015-09-03 |
| CS004472 | triphenyltin chloride (expressed as tin) | An organotin compound used as a fungicide. | 2023-10-02 |
| CS003445 | triphenyltin compounds | A class of organotin compounds based on three benzene rings bound to an atom of tin. | 2017-08-09 |
| CS004471 | triphenyltin hydroxide (expressed as tin) | An organotin compound used as a fungicide. | 2023-10-02 |
| CS004518 | tripropyl phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C9H21O4P. | 2024-02-16 |
| CS004523 | tris(1,3-dichloro-2-propyl) phosphate | A chlorinated organophosphate with molecular formula C9H15Cl6O4P. | 2024-02-16 |
| CS004396 | tris(1-chloro-2-propyl) phosphate | A chlorinated organophosphate with molecular formula C9H18Cl3O4P. | 2022-06-21 |
| CS004421 | tris(2-butoxyethyl) phosphate | A trialkyl phosphate with molecular formula C18H39O7P. | 2022-06-21 |
| CS004387 | tris(2-chloroethyl) phosphate | A trialkyl phosphateC6H12Cl3O4P. | 2022-06-21 |
| CS004526 | tris(2-ethylhexyl) phosphate | A phosphorus flame retardant and plasticizer with molecular formula C24H51O4P. | 2024-02-16 |
| CS004528 | tris(4-tert-butylphenyl)phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C30H39O4P. | 2024-02-16 |
| CS004547 | tris(isopropylphenyl)phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C27H33O4P. | 2024-02-23 |
| CS004437 | triticonazole | A fungicide with molecular formula C17H20ClN3O. | 2022-06-22 |
| CS002781 | tritium | An isotope of the chemical element hydrogen | 2015-11-12 |
| CS003880 | tritosulfuron | Unavailable | 2020-07-06 |
| CS003139 | tritriacontan-1-ol | Unavailable | 2017-06-30 |
| CS001257 | tritriacontane | Unavailable | 2015-09-03 |
| CS003136 | tritriacontanoic acid | Unavailable | 2017-06-30 |
| CS004527 | trixylyl phosphate | An organophosphorus flame retardant and plasticizer with molecular formula C8H11O4P. | 2024-02-16 |
| CS003130 | tungsten | Unavailable | 2017-06-29 |
| CS003404 | two-component phosphate regulator PhoP [Sequence: SKLEDDPANPELILTAR; Organism: Synechococcus WH8109] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS002908 | tyrosine | Unavailable | 2016-05-02 |
| CS003134 | undecan-1-ol | Unavailable | 2017-06-30 |
| CS001264 | undecanedioic acid | Unavailable | 2015-09-03 |
| CS001271 | undecanoic acid | Unavailable | 2015-09-03 |
| CS003535 | unicosanedioic acid | A straight-chain 21-carbon alpha-omega alkanadioic acid (straight-chain fatty acid with two carboxyllic groups). | 2017-08-09 |
| CS003771 | unidentified carotene isomer | An isomer of carotene that has not been identified. | 2019-03-20 |
| CS002816 | unresolved complex mixture | A feature frequently observed in gas chromatographic (GC) data of crude oils and extracts from organisms exposed to oil. | 2016-02-26 |
| CS004468 | uranine | The water-soluble form of fluorescein, a fluorescent dye. | 2023-04-03 |
| CS026907 | uranium | The chemical element uranium. | 2016-04-14 |
| CS002778 | uranium-234 | An isotope of the chemical element uranium | 2015-11-11 |
| CS004354 | uranium-235 | An isotope of the chemical element uranium. | 2022-01-21 |
| CS003087 | uranium-236 | An isotope of the chemical element uranium. | 2017-03-01 |
| CS026906 | uranium-238 | An isotope of the chemical element uranium. | 2016-04-14 |
| CS026909 | urea | Unavailable | 2016-05-02 |
| CS003410 | urea ABC transporter [Sequence: IEYIVEDGASDWPTFAEK; Organism: Prochlorococcus and Synechococcus] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003395 | urea ABC transporter, substrate binding protein [Sequence: LIDQDGVPVVFGGWTSASR; Organism: Prochlorococcus marinus MIT 9215] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003396 | urea ABC transporter, substrate binding protein [Sequence: VVGEDYLPLGNTEVAPIISK; Organism: Prochlorococcus marinus MIT 9215] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS003397 | urease accessory protein UreG [Sequence: VGVAGPVGSGK; Organism: Prochlorococcus] | Protein identified using targeted proteomics. | 2017-07-31 |
| CS003411 | urease subunit alpha UreC [Sequence: IPEDIAFAESR; Organism: Prochlorococcus] | Protein identified using targeted proteomics. | 2017-07-29 |
| CS002996 | usujirene | Unavailable | 2016-05-02 |
| CS002906 | valine | Unavailable | 2016-05-02 |
| CS002664 | vanadium | Unavailable | 2015-09-10 |
| CS003421 | vanadium-51 | An isotope of chemical element vanadium | 2017-08-02 |
| CS004084 | vinclozoline | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002953 | violaxanthin | Unavailable | 2016-05-02 |
| CS002671 | water | Unavailable | 2015-09-10 |
| CS002854 | wax esters | Esters of a fatty acid and a fatty alcohol. Wax esters have similar chemical properties to triglycerides, but are indigestible. | 2016-02-29 |
| CS003051 | xenon | A naturally occuring noble gas (a group of odourless, colourless and monatomic gases with very low reactivity). | 2016-12-15 |
| CS003384 | xylene | Unavailable | 2017-07-06 |
| CS004216 | yessotoxins | A biotoxin. | 2021-08-25 |
| CS002791 | ytterbium | A Rare Earth Element (REE) | 2015-12-15 |
| CS002990 | yttrium | Unavailable | 2016-05-02 |
| CS002907 | zeaxanthin | Unavailable | 2016-05-02 |
| CS004058 | zidovudine | A pharmaceutical substance or one of its derivative or metabolite. | 2021-08-25 |
| CS002678 | zinc | Unavailable | 2015-09-10 |
| CS003385 | zinc ion | Unavailable | 2017-07-07 |
| CS004052 | zinc pyrithione | An organometallic compound. | 2021-08-25 |
| CS003045 | zinc-66 | A stable isotope of the chemical element zinc. | 2016-08-16 |
| CS003426 | zinc-67 | An isotope of chemical element zinc | 2017-08-02 |
| CS003427 | zinc-68 | An isotope of chemical element zinc | 2017-08-02 |
| CS003081 | zinc-complexing organic ligands | A mixture of organic molecules with the potential to form stable complexes with zinc in aqueous solution | 2017-02-20 |
| CS004294 | zineb | Chemical substance used as a pesticide. | 2021-08-25 |
| CS003079 | zirconium | Atomic zirconium that is incorporated into any compounds. | 2017-02-15 |
| CS004109 | γ-chlordan | Chemical substance used as an insecticide. | 2021-08-25 |
