CAS Number Index

A CAS Registry Number,also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.（information coming from wikipedia.org)

Name CAS Number
(1-(1-(cyclopropylmethyl)azetidin-3-yl)-1H-1,2,3-triazol-4-yl)methanol 2098016-28-3
rel-[(1R,6R)-7,7-difluoro-2-oxabicyclo[4.1.0]heptan-1-yl]methanamine 1969287-92-0
tert-butyl 7-(chlorosulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-4-carboxylate 1955540-74-5
1-((1-acetylpiperidin-3-yl)methyl)-1H-1,2,3-triazole-4-carbaldehyde 2098017-38-8
2-(Bromomethyl)-1,1-difluorocyclohexane 1871326-97-4
1-(1-(cyclopropanecarbonyl)pyrrolidin-3-yl)-1H-1,2,3-triazole-4-carbaldehyde 2098120-96-6
[3-(Aminomethyl)-4-benzylmorpholin-3-yl]methanol 1989671-98-8
tert-butyl 3-((4-(aminomethyl)-1H-1,2,3-triazol-1-yl)methyl)pyrrolidine-1-carboxylate 2097964-85-5
tert-butyl 2-((4-(aminomethyl)-1H-1,2,3-triazol-1-yl)methyl)pyrrolidine-1-carboxylate 2098110-48-4
(1-(2-(piperidin-4-yl)ethyl)-1H-1,2,3-triazol-4-yl)methanamine 2098017-71-9
(1R,2S)-2-Methoxy-2-methylcyclopropan-1-amine 1429373-79-4
tert-Butyl (3-(benzyloxy)-4-methylphenyl)carbamate 2108750-69-0
2-(4-(furan-2-yl)-1H-pyrazol-1-yl)ethan-1-amine 1864628-47-6
(1-isopropyl-6-methyl-1H-pyrazolo[3,4-b]pyridin-4-yl)methanol 2092142-45-3
4-(chloromethyl)-1-isopropyl-6-methyl-1H-pyrazolo[3,4-b]pyridine 2090908-66-8
1-ethyl-5-fluoro-3-methyl-1H-pyrazole-4-carbonyl chloride 1823464-69-2
2-Amino-4-(4-chlorophenyl)-4-(pyrrolidin-1-yl)butanoic acid 2097943-24-1
6-Amino-4-methyl-2-oxo-5-phenyl-1,2-dihydropyridine-3-carbonitrile 100728-11-8
3-(2-(furan-2-yl)-2-oxoethyl)quinoxalin-2(1H)-one 60943-36-4
2-(3-(Methylamino)azetidin-1-yl)propanenitrile 2090313-90-7
2-Amino-2-(5-(pyrrolidin-1-yl)furan-2-yl)acetic acid 1270306-51-8
3-Cyano-2-oxo-6-(thiophen-2-yl)-1,2-dihydropyridine-4-carboxylic acid 204910-40-7
3-[(5-fluoro-1,3-dimethyl-1H-pyrazol-4-yl)sulfonyl]-3-azabicyclo[3.1.0]hexane-6-carboxylic acid 1856097-41-0
2-(3-ethoxy-4-nitro-1H-pyrazol-1-yl)acetic acid 1855889-83-6
1-cyclohexyl-N-[(5-fluorothiophen-2-yl)methyl]-1H-pyrazol-5-amine 1856086-05-9
5-(3-(2-aminoethyl)-1,2,4-oxadiazol-5-yl)-1-methylpyrimidine-2,4(1H,3H)-dione 2098038-34-5
1-cyclopentyl-N-[(5-fluorothiophen-2-yl)methyl]-3-methyl-1H-pyrazol-4-amine 1855938-86-1
2-(3-(pyrazin-2-yl)-1H-pyrazol-1-yl)acetic acid 1019007-59-0
2-(1-(2-fluoroethyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)ethan-1-amine 2098049-96-6
[(1-ethyl-5-fluoro-1H-pyrazol-4-yl)methyl](heptyl)amine 1856061-85-2
1-(prop-2-yn-1-yl)-3-(trifluoromethyl)-1H-pyrazole-5-carbaldehyde 2092718-24-4
1-(cyanomethyl)-3-(pyridin-2-yl)-1H-pyrazole-5-carboxylic acid 2098069-85-1
1-(prop-2-yn-1-yl)-3-(pyridin-2-yl)-1H-pyrazole-5-carbonitrile 2098050-33-8
2-{[(1-ethyl-4-methyl-1H-pyrazol-5-yl)methyl]amino}ethan-1-ol 1856066-16-4
2-({[5-methyl-1-(propan-2-yl)-1H-pyrazol-4-yl]methyl}amino)ethan-1-ol 1856050-42-4
(3-ethoxypropyl)({[1-(2-methylpropyl)-1H-pyrazol-5-yl]methyl})amine 1856092-57-3
[2-(diethylamino)ethyl]({[1-(2-methylpropyl)-1H-pyrazol-5-yl]methyl})amine 1856069-31-2
{[1-(2-methylpropyl)-1H-pyrazol-5-yl]methyl}[3-(propan-2-yloxy)propyl]amine 1856098-71-9
(1-ethyl-3-(pyridin-3-yl)-1H-pyrazol-5-yl)methanol 2092721-92-9
1-(1-(2-fluoroethyl)-3-(pyridin-3-yl)-1H-pyrazol-5-yl)-N-methylmethanamine 2098050-85-0
N-methyl-1-(1-(prop-2-yn-1-yl)-3-(pyridin-3-yl)-1H-pyrazol-5-yl)methanamine 2098065-11-1
methyl 1-ethyl-3-(pyrazin-2-yl)-1H-pyrazole-5-carboxylate 2097983-12-3
1-ethyl-3-(pyrazin-2-yl)-1H-pyrazole-5-carboxylic acid 2092465-79-5
1-isopropyl-3-(pyrazin-2-yl)-1H-pyrazole-5-carboxylic acid 2098065-74-6
1-ethyl-3-(pyrazin-2-yl)-1H-pyrazole-5-carboxamide 2098069-91-9
1-(prop-2-yn-1-yl)-3-(pyrazin-2-yl)-1H-pyrazole-5-carbaldehyde 2092238-85-0
2-({[1-methyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]methyl}amino)ethan-1-ol 1856060-70-2
2-(1-isobutyl-3-(thiophen-2-yl)-1H-pyrazol-5-yl)acetonitrile 2098039-42-8
(1-cyclopentyl-3-(thiophen-3-yl)-1H-pyrazol-5-yl)methanol 2098119-20-9
(1-(prop-2-yn-1-yl)-3-(thiophen-3-yl)-1H-pyrazol-5-yl)methanol 2092462-74-1

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