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
Methyl 2-methyl-5-(pyridin-4-yl)-1H-pyrrole-3-carboxylate 1248540-97-7
[2-[5-(1,4-oxazepane-4-carbonyl)thiophen-2-yl]pyrrolidin-1-yl]-(1H-pyrazol-5-yl)methanone 1185699-02-8
N-(6-Bromo-2-benzothiazolyl)-2-[4-(1-methylethyl)phenoxy]-N-[3-(4-morpholinyl)propyl]acetamide 1172760-61-0
N-[2-(4-methoxyphenoxy)ethyl]-2-(2-methylphenoxy)acetamide 1090664-05-3
2-[[5-(2-Chlorophenyl)-4-methyl-4H-1,2,4-triazol-3-yl]thio]-N-[2-(phenylthio)phenyl]acetamide 1209646-18-3
4-[(2-Methyl-8-quinolinyl)oxy]butanoic acid 1099046-09-9
6-Fluoro-2-methylquinoline-4-thiol 15912-64-8
[(4-Propoxyphenyl)sulfonyl]-2-pyridylamine 1206106-30-0
4-{[(1-Cyano-1,2-dimethylpropyl)carbamoyl]methyl}-N,N-diethylpiperazine-1-carboxamide 1223728-06-0
1-({1-[4-Chloro-3-(trifluoromethyl)phenyl]-5-oxopyrrolidin-3-yl}carbonyl)piperidine-4-carboxamide 1144464-00-5
3-(5-Chlorofuran-2-yl)-4-(4-fluorophenyl)-5-methylisoxazole 1171190-59-2
2-Methoxy-4-(propane-1-sulfonamido)benzene-1-sulfonamide 1094645-33-6
2-[[4-[5-[6-(6-methylpyridin-2-yl)-1H-pyrrolo[2,3-b]pyridin-4-yl]pyridin-3-yl]phenyl]methylamino]ethanol 1171895-77-4
5-Fluoro-3-phenylpyridin-2-amine 1214331-56-2
2-(1,5,5-Trimethylcyclopent-2-en-1-yl)ethyl acetate 1160363-49-4
1-Ethyl-N-(3-methylcyclohexyl)-1H-pyrazol-4-amine 1155577-85-7
3-(4-Chlorophenyl)-4,5-dihydroisoxazole-5-carbonitrile 1173119-75-9
2-Methyl-4-(2-oxoindoline-3-yl)-5-(4-chlorophenyl)-1H-pyrrole-3-carboxylic acid methyl ester 1173173-74-4
2-[(4-Fluorophenoxy)methyl]piperidine hydrochloride 1201633-73-9
4-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thio)butanoic acid 1098376-16-9
1-((5-chlorothiophen-2-yl)sulfonyl)-N-(1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)pyrrolidine-2-carboxamide 1101178-56-6
N-(4-bromophenyl)-1-((5-chlorothiophen-2-yl)sulfonyl)pyrrolidine-2-carboxamide 1101179-05-8
1-((5-chlorothiophen-2-yl)sulfonyl)-N-(2,5-dichlorophenyl)pyrrolidine-2-carboxamide 1097833-77-6
(E)-1-((5-chlorothiophen-2-yl)sulfonyl)-N-(4-(phenyldiazenyl)phenyl)pyrrolidine-2-carboxamide 1101179-07-0
1-((5-chlorothiophen-2-yl)sulfonyl)-N-(2,3-dichlorophenyl)pyrrolidine-2-carboxamide 1101179-10-5
(E)-1-((5-chlorothiophen-2-yl)sulfonyl)-N-(3-(2-ethoxyethyl)-4-fluorobenzo[d]thiazol-2(3H)-ylidene)pyrrolidine-2-carboxamide 1101180-22-6
(E)-1-((5-chlorothiophen-2-yl)sulfonyl)-N-(6-fluoro-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)pyrrolidine-2-carboxamide 1100755-77-8
(E)-1-((5-chlorothiophen-2-yl)sulfonyl)-N-(4,6-difluoro-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)pyrrolidine-2-carboxamide 1101186-43-9
Ethyl 2-{[5-(2-chloroacetamido)-1,3,4-thiadiazol-2-yl]sulfanyl}acetate 1173045-81-2
(E)-1-((5-chlorothiophen-2-yl)sulfonyl)-N-(7-(prop-2-yn-1-yl)-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6(7H)-ylidene)piperidine-4-carboxamide 946244-70-8
N-(3-(benzo[d]thiazol-2-yl)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-(4-fluorophenyl)acetamide 922700-60-5
ethyl 2-methyl-5-(2-oxo-2-(((tetrahydrofuran-2-yl)methyl)amino)acetyl)-4-phenyl-1H-pyrrole-3-carboxylate 1009055-10-0
ethyl 2-methyl-5-(2-oxo-2-((1-phenylethyl)amino)acetyl)-4-phenyl-1H-pyrrole-3-carboxylate 1008388-57-5
2-(3-(3-bromophenyl)-6-oxopyridazin-1(6H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide 922901-94-8
2-(3-(3,4-dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-phenylacetamide 922902-91-8
2-(3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-phenylacetamide 922973-32-8
2-[3-(4-methylphenyl)-6-oxopyridazin-1(6H)-yl]-N-phenylacetamide 922863-43-2
2-(6-oxo-3-(2,4,5-trimethylphenyl)pyridazin-1(6H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide 922916-69-6
methyl 2-(3-(4-bromophenyl)-6-oxo-1(6H)-pyridazinyl)butanoate 853333-96-7
Ethyl 2-(3,4-difluorobenzamido)benzo[b]thiophene-3-carboxylate 1171843-98-3
Ethyl 2-(2-(2-methoxyphenoxy)acetamido)benzo[b]thiophene-3-carboxylate 1170373-73-5
1-Cyclohexyl-3-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]urea 922977-81-9
N1-[(3,4-dimethoxyphenyl)methyl]benzene-1,2-diamine 5729-20-4
(3-endo)-3-(3-Pyridinylsulfonyl)-N-[4-(trifluoromethyl)phenyl]-8-azabicyclo[3.2.1]octane-8-carboxamide 1170321-93-3
3-(Phenylsulfonyl)-N-[4-(trifluoromethyl)phenyl]piperidine-1-carboxamide 1170321-85-3
4-Fluoro-2-[[2-methoxy-1-(methoxymethyl)ethyl]amino]benzonitrile 1173111-75-5
2-amino-N-[(2-fluorophenyl)methyl]-N,4-dimethylpentanamide 1218716-87-0
7-methoxy-N-(6-methylpyridin-2-yl)benzofuran-2-carboxamide 921570-79-8
7-ethoxy-N-(6-methylpyridin-2-yl)benzofuran-2-carboxamide 921825-41-4
N-(6-Fluoro-2-benzothiazolyl)-N-[3-(1H-imidazol-1-yl)propyl]-2-(4-methoxyphenoxy)acetamide 1172472-75-1

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