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
Tert-butyl 4-(prop-2-en-1-ylcarbamothioyl)piperazine-1-carboxylate 1010897-25-2
ethyl 4-(4-(3-(4-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-4-oxobutanoate 920366-33-2
N-[1-(3-methoxypropyl)-4,5-dimethyl-3-(phenylsulfonyl)-1H-pyrrol-2-yl]-2,2-dimethylpropanamide 1010914-20-1
5-bromo-N-[(2Z)-4-methyl-1,3-thiazol-2(3H)-ylidene]-2-(1H-tetrazol-1-yl)benzamide 1010914-24-5
1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)ethanone 920386-93-2
1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-methylpropan-1-one 920227-01-6
1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2,2-dimethylpropan-1-one 920366-57-0
1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-3-methylbutan-1-one 923513-28-4
1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-3,3-dimethylbutan-1-one 920227-04-9
2-ethyl-1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)butan-1-one 920386-99-8
cyclopropyl(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)methanone 923513-32-0
3-{4-[2-(4-acetylpiperazin-1-yl)-2-oxoethoxy]phenyl}-8-methoxy-2H-chromen-2-one 1010930-99-0
3-chloro-1-(4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)propan-1-one 920227-14-1
(E)-1-((4-fluorophenyl)sulfonyl)-N-(6-methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)piperidine-4-carboxamide 1007033-92-2
1-[4-(2,1,3-Benzoxadiazol-4-ylsulfonyl)piperazin-1-yl]-2-(3,4-dimethoxyphenyl)ethanone 1010931-68-6
5-[(3,5-Difluorophenyl)methyl]-4-(furan-2-ylmethyl)-1,2,4-triazole-3-thiol 1010879-06-7
N-[1-(3-methoxypropyl)-4,5-dimethyl-3-(phenylsulfonyl)-1H-pyrrol-2-yl]propanamide 1010931-93-7
N-(4-bromophenyl)-3-phenyl-5,6-dihydro-1,4-oxathiine-2-carboxamide 1010879-49-8
3-phenyl-N-[4-(piperidin-1-ylsulfonyl)phenyl]-5,6-dihydro-1,4-oxathiine-2-carboxamide 1010879-57-8
5-(2-chlorophenyl)-3-{[2-(dimethylamino)ethyl]sulfanyl}-7,9-dimethylpyrimido[5,4-e][1,2,4]triazolo[4,3-c]pyrimidine-8,10(7H,9H)-dione 1010879-61-4
1-benzofuran-2-yl(8-fluoro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)methanone 1010932-27-0
[4-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperazin-1-yl](3,4-dimethoxyphenyl)methanone 1010879-88-5
N-{1-(2-methoxyethyl)-3-[(4-methoxyphenyl)sulfonyl]-4,5-dimethyl-1H-pyrrol-2-yl}-3-methylbutanamide 1010879-92-1
5,6,7-trimethoxy-N-[2-oxo-2-(1,3-thiazol-2-ylamino)ethyl]-1H-indole-2-carboxamide 1010880-04-2
N-(1,3-benzodioxol-5-yl)-5-fluoro-2-(1H-tetrazol-1-yl)benzamide 1010932-51-0
N-{3-[(4-methoxyphenyl)sulfonyl]-4,5-dimethyl-1-propyl-1H-pyrrol-2-yl}-3-methylbutanamide 1010932-54-3
5-fluoro-3-methyl-N-{4-[4-(prop-2-en-1-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}-1-benzofuran-2-carboxamide 1010880-12-2
C14H8Br2ClN5O 1010880-28-0
1,3-Benzodioxol-5-yl[4-(2,1,3-benzothiadiazol-4-ylsulfonyl)piperazin-1-yl]methanone 1010932-69-0
N-{2-[(2,1,3-benzoxadiazol-4-ylsulfonyl)amino]ethyl}furan-2-carboxamide 1010880-32-6
N-{2-[(4-methoxyphenyl)carbamoyl]phenyl}-2-(methylsulfanyl)pyridine-3-carboxamide 1090662-74-0
N-(3,4-dimethoxyphenyl)-4-(1H-tetrazol-1-yl)benzamide 1010932-78-1
1-ethyl-N-(furan-2-ylmethyl)-6-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxamide 1010880-44-0
N-{3-[(4-methoxyphenyl)sulfonyl]-4,5-dimethyl-1-propyl-1H-pyrrol-2-yl}benzamide 1010880-48-4
N-[cyano(phenyl)methyl]-4-phenoxybenzamide 1090944-00-5
(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)methyl 2H-chromene-3-carboxylate 1110913-40-0
2-((1-(4-chlorophenyl)-5-(p-tolyl)-1H-imidazol-2-yl)thio)-1-(indolin-1-yl)ethanone 1226436-05-0
2-hydroxyethyl 3-(3,4-dimethylphenyl)-1-phenyl-1H-pyrazole-4-carboxylate 1171067-19-8
N-(6-Methyl-2-pyridinyl)-2-quinoxalinamine 1258454-18-0
N-[4-Fluoro-5-(3-methyl-1-piperazinyl)-2-nitrophenyl]methanesulfonamide 489412-21-7
1-(6,7-Dihydro-[1,4]dioxino[2',3':4,5]benzo[1,2-d]thiazol-2-yl)-3-isopropylurea 1226444-32-1
2-[2-(azepan-1-yl)-2-oxoethyl]-2H,3H,5H,6H,7H,8H,9H-[1,2,4]triazolo[4,3-a]azepin-3-one 1089575-18-7
N-(4-chlorophenyl)-2-{[1-(4-chlorophenyl)-5-(4-methylphenyl)-1H-imidazol-2-yl]sulfanyl}acetamide 1226447-51-3
2-Methylthio-5-p-aminophenyl-1,3,4-oxadiazole 354788-98-0
2-((1-(4-chlorophenyl)-5-(p-tolyl)-1H-imidazol-2-yl)thio)-N-(thiazol-2-yl)acetamide 1226429-38-4
2-((1-(4-chlorophenyl)-5-(p-tolyl)-1H-imidazol-2-yl)thio)-N-(4-methylthiazol-2-yl)acetamide 1226431-93-1
2-{[1-(4-chlorophenyl)-5-(4-methylphenyl)-1H-imidazol-2-yl]sulfanyl}-N-(5-methyl-1,2-oxazol-3-yl)acetamide 1226434-86-1
2-((1-(4-chlorophenyl)-5-(p-tolyl)-1H-imidazol-2-yl)thio)-N-methylacetamide 1226448-10-7
3-(4-Methylphenyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylic acid 1223883-35-9
2,4-Dioxo-3-(thiophen-2-ylmethyl)-1,2,3,4-tetrahydroquinazoline-7-carboxylic acid 1232780-68-5

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