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
2-[[(4-Ethoxyphenyl)sulfonyl](4-methylphenyl)amino]-N-[1-(4-methoxyphenyl)-3-methylbutyl]acetamide 1171555-00-2
3-fluoro-N-(2-(1-methyl-1,2,3,4-tetrahydroquinolin-6-yl)-2-(piperidin-1-yl)ethyl)benzamide 922092-22-6
3-(5-Formyl-furan-2-yl)-benzoic acid carbamoylmethyl ester 1043390-98-2
3-[3-Methyl-4-oxo-thiazolidin-(2Z)-ylideneamino]-benzoic acid methyl ester 1147346-31-3
1-[(3-Phenylpropyl)sulfonyl]-N-[[4-(1-piperidinyl)phenyl]methyl]-3-piperidinecarboxamide 1171204-66-2
N-(2,2-dimethoxyethyl)-N'-(pyridin-4-yl)ethanediamide 920209-58-1
1-Chloro-1-(difluoromethoxy)-1,2,2,2-tetrafluoroethane 57041-64-2
3-[[(1-Ethyl-2-pyrrolidinyl)methyl]amino]-2-methylpropanenitrile 1099649-26-9
2-[[3-(4-Bromophenyl)cyclobutyl]amino]ethanesulfonamide 1153095-15-8
3-(2-Phenoxyethyl)piperidine hydrochloride 1185298-31-0
N-(3-oxo-1-(2-oxo-2-(o-tolylamino)ethyl)-2-phenyl-2,3-dihydro-1H-indazol-5-yl)propionamide 1251683-86-9
2-((5-chloro-1-(2-(indolin-1-yl)-2-oxoethyl)-6-oxo-1,6-dihydropyridazin-4-yl)thio)-N-cyclopropylacetamide 1251600-01-7
2-[[(2-Aminoethyl)thio]methyl]-5-hydroxy-4H-pyran-4-one 73115-08-9
N-ethyl-1-(6-((2-oxo-2-((3-(trifluoromethyl)phenyl)amino)ethyl)thio)pyrimidin-4-yl)piperidine-4-carboxamide 1185018-88-5
1-(4-(6-(Furan-2-yl)pyridazin-3-yl)piperazin-1-yl)-2,2-diphenylethanone 921528-97-4
2-Furanethanamine, N-[1-(2,6-dichloro-3-fluorophenyl)ethyl]- 1154898-72-2
(3-Chlorophenyl)(4-(6-(thiophen-2-yl)pyridazin-3-yl)piperazin-1-yl)methanone 921529-45-5
(4-(6-(Thiophen-2-yl)pyridazin-3-yl)piperazin-1-yl)(2-(trifluoromethyl)phenyl)methanone 921827-75-0
N-(2-(3-(4-ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)-4-methylbenzenesulfonamide 921513-84-0
N-(2-(3-(4-ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)-4-fluorobenzenesulfonamide 921833-20-7
2-(Difluoromethyl)-1-fluoro-3-nitrobenzene 1214338-91-6
2-[[1-(3,4-Dihydro-3-oxo-2H-1,4-benzoxazin-6-yl)ethyl]amino]propanamide 1218546-74-7
4-((5-Chlorothiophen-2-yl)methyl)piperazin-2-one 1795007-63-4
3-Fluoro-4'-(trifluoromethyl)biphenyl 59079-86-6
(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)(2-(trifluoromethyl)phenyl)methanone 920387-96-8
(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)(3-(trifluoromethyl)phenyl)methanone 920367-69-7
[1,1'-biphenyl]-4-yl(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)methanone 923514-03-8
1-(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-methylpropan-1-one 923514-64-1
(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)(3-methoxyphenyl)methanone 920389-66-8
3-Chloro-2-(2-fluorophenyl)-6-(trifluoromethyl)pyridine 1214380-32-1
N-(3-Acetylphenyl)-1-({5-[(1E)-2-(2-fluorophenyl)ethenyl]-3-methyl-1,2-oxazol-4-YL}sulfonyl)piperidine-3-carboxamide 1113133-74-6
1-({5-[(1E)-2-(2-Fluorophenyl)ethenyl]-3-methyl-1,2-oxazol-4-YL}sulfonyl)-N-[(4-fluorophenyl)methyl]piperidine-3-carboxamide 1113133-79-1
N-(4-Acetylphenyl)-1-({5-[(1E)-2-(2,5-dimethylphenyl)ethenyl]-3-methyl-1,2-oxazol-4-YL}sulfonyl)piperidine-3-carboxamide 1113129-68-2
1-({5-[(1E)-2-(2,5-Dimethylphenyl)ethenyl]-3-methyl-1,2-oxazol-4-YL}sulfonyl)-N-[3-(trifluoromethyl)phenyl]piperidine-3-carboxamide 1113125-65-7
N-Cyclohexyl-1-({5-[(1E)-2-(2,5-dimethylphenyl)ethenyl]-3-methyl-1,2-oxazol-4-YL}sulfonyl)piperidine-3-carboxamide 1113142-22-5
N-(2,3-Dimethylphenyl)-1-({3-methyl-5-[(1E)-2-(2,4,6-trimethylphenyl)ethenyl]-1,2-oxazol-4-YL}sulfonyl)piperidine-3-carboxamide 1113142-43-0
1-(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-phenylethanone 920411-26-3
1-(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-(3,4-dimethoxyphenyl)ethanone 923515-32-6
benzofuran-2-yl(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)methanone 923515-41-7
1-(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-(1H-indol-3-yl)ethane-1,2-dione 920229-33-0
2-(4-(3-(4-chlorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazine-1-carbonyl)-4H-chromen-4-one 923515-53-1
1-(4-(3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)butan-1-one 920371-62-6
1-(4-(3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-propylpentan-1-one 920204-22-4
1-(adamantane-1-carbonyl)-4-[3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl]piperazine 920204-30-4
N-methyl-2-(methylamino)benzenesulfonamide 98489-80-6
3-benzyl-2-((2-(4-bromophenyl)-2-oxoethyl)thio)-N-isopropyl-4-oxo-3,4-dihydroquinazoline-7-carboxamide 932351-16-1
3-benzyl-2-{[2-(2-methyl-1H-indol-3-yl)-2-oxoethyl]sulfanyl}-4-oxo-N-(propan-2-yl)-3,4-dihydroquinazoline-7-carboxamide 1113128-52-1
2-((2-(4-bromophenyl)-2-oxoethyl)thio)-N-isopropyl-3-(2-methoxyethyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide 932351-23-0
2-((2-(4-bromophenyl)-2-oxoethyl)thio)-N-cyclopentyl-3-(2-methoxyethyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide 932319-66-9
n-(4-Bromophenyl)-2-((thiophen-2-ylmethyl)amino)acetamide 1099012-06-2

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