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
N-(2-cyclopropyl-2-hydroxypropyl)-2,3-dihydrobenzofuran-5-sulfonamide 1448133-72-9
N-((1-(thiophen-3-ylmethyl)piperidin-4-yl)methyl)-2,3-dihydrobenzofuran-5-sulfonamide 1448072-07-8
1,3,5-trimethyl-N-((1-(pyridin-2-yl)piperidin-4-yl)methyl)-1H-pyrazole-4-sulfonamide 1448070-50-5
2-(cyclopentylthio)-N-((1-(pyridin-2-yl)piperidin-4-yl)methyl)acetamide 1448045-36-0
1-methyl-N-((1-(pyrimidin-2-yl)piperidin-4-yl)methyl)-1H-imidazole-4-sulfonamide 1052100-34-1
1,3,5-trimethyl-N-((1-(pyrimidin-2-yl)piperidin-4-yl)methyl)-1H-pyrazole-4-sulfonamide 1448135-39-4
Hydrazinecarbothioamide, 1-(3-methylphenyl)- 1823495-10-8
N-(tert-butyl)-4-((1,3,5-trimethyl-1H-pyrazole-4-sulfonamido)methyl)piperidine-1-carboxamide 1428356-71-1
1,3,5-trimethyl-N-((1-(methylsulfonyl)piperidin-4-yl)methyl)-1H-pyrazole-4-sulfonamide 1428359-99-2
Pyrazolo[1,5-a]pyrimidin-7-amine,6-[4-(1,1-dimethylethyl)phenyl]-5-[[4-(1,1-dimethylethyl)phenyl]methyl]-2-methyl- 922737-50-6
2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]acetic acid 2171157-25-6
Thieno[3,2-b]pyridine-3-carboxylic acid,2-[ethyl(2-methoxyethyl)amino]-,ethyl ester 187733-01-3
phenyl 4-((1,3,5-trimethyl-1H-pyrazole-4-sulfonamido)methyl)piperidine-1-carboxylate 1428362-82-6
1(2h)-Quinolinecarboxylic acid,3,4-dihydro-7-(1-methylethyl)- 405103-20-0
2-(cyclopentylthio)-N-((1-(4-methyl-1,2,3-thiadiazole-5-carbonyl)piperidin-4-yl)methyl)acetamide 1448053-15-3
N-((1-(benzofuran-2-carbonyl)piperidin-4-yl)methyl)-2,3-dihydrobenzofuran-5-sulfonamide 1448034-05-6
1h-Pyrrolo[2,3-b]pyridine,1-(4-pyridinylmethyl)- 418795-30-9
Pyridine,3-(4-chloro-2-nitrophenyl)- 4423-07-8
5-Quinoxalinecarboxamide,3-[4-[[(methylamino)carbonyl]amino]phenyl]- 489458-94-8
5-Quinoxalinecarboxamide,3-[4-(benzoylamino)phenyl]- 489458-97-1
5-Quinoxalinecarboxamide,3-[4-[(2-furanylcarbonyl)amino]phenyl]- 489458-98-2
2-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-8-(3-methyl-1,2,4-oxadiazol-5-yl)[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one 1396857-51-4
N-((1-(benzofuran-2-carbonyl)piperidin-4-yl)methyl)-1-methyl-1H-imidazole-4-sulfonamide 1428360-06-8
N-((1-(benzofuran-2-carbonyl)piperidin-4-yl)methyl)-1,3,5-trimethyl-1H-pyrazole-4-sulfonamide 1428356-80-2
(E)-N-((1-(3-(furan-2-yl)acryloyl)piperidin-4-yl)methyl)-1,3,5-trimethyl-1H-pyrazole-4-sulfonamide 1428381-83-2
N-((1-(2-fluorobenzoyl)piperidin-4-yl)methyl)-1,3,5-trimethyl-1H-pyrazole-4-sulfonamide 1448133-81-0
2-(4-(1-methyl-1H-imidazole-4-sulfonamido)phenyl)-N-(2,2,2-trifluoroethyl)acetamide 1428378-79-3
2-(4-(3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-5-sulfonamido)phenyl)-N-(2,2,2-trifluoroethyl)acetamide 1428380-76-0
N-{2-oxo-9-oxa-1-azatricyclo[10.4.0.0^{3,8}]hexadeca-3,5,7-trien-5-yl}-2,3-dihydro-1-benzofuran-5-sulfonamide 1428357-57-6
N-(2-hydroxy-3-methoxy-2-methylpropyl)-1,3,5-trimethyl-1H-pyrazole-4-sulfonamide 1448072-17-0
2-(cyclopentylthio)-N-(2-hydroxy-3-methoxy-2-methylpropyl)acetamide 1448079-03-5
Benzenemethanesulfonamide,n-[2-[2-(3-chlorophenyl)ethyl]-4-benzoxazolyl]- 629655-00-1
2-Thiophenesulfonamide,4-bromo-5-[(4-fluorophenyl)thio]- 63031-93-6
(5-Methylisoxazol-4-yl)(1-oxa-4-thia-8-azaspiro[4.5]decan-8-yl)methanone 1428360-10-4
1-methyl-N-((1-nicotinoylpiperidin-4-yl)methyl)-1H-imidazole-4-sulfonamide 1448058-38-5
Benzeneacetamide,4-[[5-(aminosulfonyl)-2-thienyl]thio]- 63032-32-6
Acetamide,n-[5-[[5-(aminosulfonyl)-2-thienyl]sulfinyl]-2-methoxyphenyl]- 63032-63-3
2-(cyclopentylthio)-N-((4-hydroxytetrahydro-2H-pyran-4-yl)methyl)acetamide 1448050-63-2
N-(2-hydroxy-2-(4-(trifluoromethyl)phenyl)ethyl)-3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-5-sulfonamide 1448052-70-7
Methyl2-(2-chlorophenyl)-2-cyanoacetate 1218951-01-9
(1R,5S)-8-((1H-imidazol-4-yl)sulfonyl)-3-(phenylsulfonyl)-8-azabicyclo[3.2.1]octane 1448062-87-0
2,5-Dichloro-4-(piperazin-1-yl)pyrimidine 1519130-69-8
1-(4-((4-Methoxyphenyl)sulfonyl)piperidin-1-yl)pent-4-en-1-one 1448029-65-9
(4-((4-Methoxyphenyl)sulfonyl)piperidin-1-yl)(thiophen-3-yl)methanone 1448046-82-9
(4-((4-Methoxyphenyl)sulfonyl)piperidin-1-yl)(4-methylthiophen-2-yl)methanone 1448132-44-2
3-(4-((4-Methoxyphenyl)sulfonyl)piperidine-1-carbonyl)benzonitrile 1448057-21-3
2-(4-Fluorophenyl)-1-(4-((4-methoxyphenyl)sulfonyl)piperidin-1-yl)ethanone 1448068-86-7
1-(2-(4-((4-Methoxyphenyl)sulfonyl)piperidin-1-yl)-2-oxoethyl)pyrrolidine-2,5-dione 1448065-20-0
(5-Chlorothiophen-2-yl)(4-((4-methoxyphenyl)sulfonyl)piperidin-1-yl)methanone 1448136-94-4
2-(2-Chlorophenyl)-1-(4-((4-methoxyphenyl)sulfonyl)piperidin-1-yl)ethanone 1448045-55-3

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