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
6-(2-Hydroxy-ethyl)-4-phenyl-chroman-2-ol 959624-26-1
4-(4-(Trifluoromethyl)phenyl)benzo[d]thiazole 943443-10-5
4-[4-(trifluoromethyl)phenyl]-1H-pyrrole-3-carbonitrile 934291-25-5
Methyl 4-(4-formyl-3-phenyl-1h-pyrazol-1-yl)benzoate 934290-21-8
Methyl 4-(4-cyano-3-phenyl-1h-pyrazol-1-yl)benzoate 934290-22-9
4-(3-(3,4-dimethylphenyl)-1,2,4-oxadiazol-5-yl)-2-(p-tolyl)phthalazin-1(2H)-one 1358791-53-3
Methyl 4-(5-methyl-3-phenyl-1h-pyrazol-1-yl)benzoate 934290-28-5
1-{[4-(prop-2-en-1-yl)phenyl]methyl}-1H-imidazole 2137560-68-8
1-[2-oxo-2-(4-phenyl-3,6-dihydropyridin-1(2H)-yl)ethyl]-6-(pyrrolidin-1-ylsulfonyl)-3,4-dihydroquinolin-2(1H)-one 1185132-03-9
2-[2-oxo-6-(pyrrolidin-1-ylsulfonyl)-3,4-dihydroquinolin-1(2H)-yl]-N-(2-thienylmethyl)acetamide 1185179-23-0
5-(Tert-butyl)-2-ethoxybenzoic acid 163419-09-8
Ethyl 6-[[(2-fluorophenyl)thio]methyl]-1,2,3,4-tetrahydro-4-methyl-2-oxo-5-pyrimidinecarboxylate 1008660-95-4
1-(4-Bromophenylamino)-3-m-tolylpropan-2-ol 1228798-83-1
4-(2,2-dimethylpropyl)-N,N-dimethyl-1H-imidazole-1-sulfonamide 1021732-05-7
N-benzyl-1-(4-nitrobenzyl)-1H-imidazole-4-carboxamide 1351771-70-4
(Z)-2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)prop-2-enenitrile 219489-15-3
(4R)-3-[3-(2-Methyl-1H-benzimidazol-6-yl)-1-oxopropyl]-4-(phenylmethyl)-2-oxazolidinone 1245649-04-0
1-(2-Hydroxypropan-2-yl)-3a-methyl-6,10-bis(methylene)tetradecahydrocyclopenta[11]annulene-5,9-diol 1246094-62-1
3-(6-((tert-Butoxycarbonyl)amino)pyridin-3-yl)acrylic acid 1245652-89-4
CID 51136430 115473-28-4
methyl (2E)-3-(3,4-diaminophenyl)acrylate 494854-43-2
(2,3-Dimethyloxirane-2,3-diyl)bis((4-hydroxy-3-methoxyphenyl)methanone) 1235657-94-9
1,1-Dimethylethyl N-[6-[[(4R)-2-oxo-4-(phenylmethyl)-3-oxazolidinyl]carbonyl]-2-naphthalenyl]carbamate 1245648-34-3
2-(5-chloro-2-iminopyridin-1(2H)-yl)acetic acid 112581-63-2
1-[4-[2-(1H-Pyrrolo[2,3-b]pyridin-2-yl)ethynyl]phenyl]cyclobutanol 1245645-64-0
4-[2-[1-[(4-Methylphenyl)sulfonyl]-1H-pyrrolo[2,3-b]pyridin-2-yl]ethynyl]benzenemethanol 1245649-30-2
1-[(2-chloropyridin-3-yl)sulfonyl]-N-[2-(1-methylpiperidin-4-yl)ethyl]piperidine-4-carboxamide 1252309-33-3
5-bromo-2-chloro-N-[(4-phenyl-4H-1,2,4-triazol-3-yl)methyl]pyridine-3-carboxamide 1252481-90-5
N-(1-cyanocyclopentyl)-2-{7-oxo-3-phenyl-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-6-yl}acetamide 1252141-93-7
N-(1-cyanocyclohexyl)-2-[4-(3-cyanophenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]acetamide 1252485-20-3
1-[(E)-2-phenylethenyl]sulfonyl-N-[1-[3-(trifluoromethyl)phenyl]butyl]piperidine-4-carboxamide 1252568-95-8
5,6-Difluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline 1210048-14-8
2-[4-[2-(4-Methoxyphenyl)ethyl]piperidin-1-yl]sulfonylbenzaldehyde 1252498-90-0
2-[4-(2-formylphenyl)sulfonylpiperazin-1-yl]-N-(5-methyl-1,2-oxazol-3-yl)acetamide 1252457-31-0
(Z)-2-cyano-3-(2,5-dichloro-3-methylimidazol-4-yl)-N-[3-(trifluoromethyl)phenyl]prop-2-enamide 1252569-48-4
(Z)-2-cyano-N-(2,5-dichlorophenyl)-3-(1-ethyl-3,5-dimethylpyrazol-4-yl)prop-2-enamide 1005916-34-6
(Z)-2-cyano-N-(4-ethoxyphenyl)-3-(4-phenyl-1,3-thiazol-2-yl)prop-2-enamide 1252562-19-8
ethyl 2-[[(Z)-2-cyano-3-(2,5-dichloro-3-methylimidazol-4-yl)prop-2-enoyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate 1252564-56-9
(E)-2-(4-chlorophenyl)-N-[3-(1,1-dioxo-1,4-thiazinan-4-yl)-4-fluorophenyl]ethenesulfonamide 1252569-07-5
Ethyl (e,e,e,e)-geranylfarnesoate 1338789-42-6
methyl 3-[4-[(Z)-2-cyano-3-(naphthalen-1-ylamino)-3-oxoprop-1-enyl]-3,5-dimethylpyrazol-1-yl]propanoate 1259234-94-0
3-[4-[(Z)-2-cyano-3-[(3-ethoxycarbonyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)amino]-3-oxoprop-1-enyl]-3,5-dimethylpyrazol-1-yl]propanoic acid 1259231-27-0
3-[4-[(Z)-2-cyano-3-oxo-3-[2-(trifluoromethyl)anilino]prop-1-enyl]-3,5-dimethylpyrazol-1-yl]propanoic acid 1259236-66-2
[Cyclopentyl(phenyl)methyl]hydrazine 1314932-56-3
(3-Methylphenyl)methyl 3-(4-formyl-3,5-dimethylpyrazol-1-yl)propanoate 1252434-31-3
(3-Fluorophenyl)methyl 3-(4-formyl-3,5-dimethylpyrazol-1-yl)propanoate 1252496-23-3
2-(4-Cyanophenoxy)ethyl 3-(4-formyl-3,5-dimethylpyrazol-1-yl)propanoate 1252341-01-7
6-Fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline 1210047-56-5
6-Chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline 1210047-59-8
6-Methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline 1210047-61-2

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