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
1-acetyl-N-(3-methylpyridin-2-yl)azetidine-3-carboxamide 1421444-86-1
2-Amino-2-(3-bromo-5-fluorophenyl)acetic acid 1270322-24-1
3-Methyl-7-(2-phenylethyl)-8-(4-propanoylpiperazin-1-yl)-4,5-dihydropurine-2,6-dione 1363942-07-7
(Z)-N-[2-(Prop-2-enoylamino)ethyl]-3-[3-(trifluoromethyl)phenyl]but-2-enamide 1436370-19-2
N-(2-methoxyethyl)-1,5-dioxa-9-azaspiro[5.5]undecane-9-carboxamide 1351613-15-4
(2-Chlorophenyl)(4-(pyridazin-3-yloxy)piperidin-1-yl)methanone 1448057-11-1
N-(2,2-dimethoxyethyl)-1-(pyrazine-2-carbonyl)azetidine-3-carboxamide 1396865-67-0
5-cyclopropyl-N-phenethyl-N-(pyridin-2-ylmethyl)isoxazole-3-carboxamide 1396858-86-8
3-(4-fluorophenyl)-N-[(1-hydroxy-2,3-dihydro-1H-inden-1-yl)methyl]-1-methyl-1H-pyrazole-5-carboxamide 1396782-87-8
(E)-N-((1-hydroxy-2,3-dihydro-1H-inden-1-yl)methyl)-2-(p-tolyl)ethenesulfonamide 1396891-33-0
N-(2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl)-4-(1,1-dioxido-1,2-thiazinan-2-yl)benzenesulfonamide 1396683-56-9
2-(4-Methyl-3-nitrophenyl)pyrrolidine 1270336-01-0
7-[(3-chlorophenyl)methyl]-1-(2-ethoxyethyl)-3,9-dimethyl-5a,9a,10,10a-tetrahydro-4H-purino[8,7-c][1,2,4]triazine-6,8-dione 919007-93-5
N-((1-cyclopentyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl)methyl)-5-oxo-1-(p-tolyl)pyrrolidine-3-carboxamide 1421501-54-3
2-amino-3-[(2S)-oxolan-2-yl]propanoic acid 2155161-51-4
4-(5-Bromo-4-methylpyridin-3-yl)oxan-4-ol 1438859-42-7
1-chloro-N-[(1-ethylpyrrolidin-2-yl)methyl]-N-methylmethanesulfonamide 1520565-64-3
rel-(2R,4S,6S)-4-Chlorotetrahydro-6-(1-naphthalenyl)-2H-pyran-2-carboxylic acid 1416450-58-2
1-(2,2-difluoroethyl)-3-iodo-1H-1,2,4-triazole 1538297-93-6
4-Cyclopropoxy-5-(dimethylamino)picolinic acid 1243472-83-4
4-Cyclopropoxy-2-formylbenzamide 1243316-38-2
Ethyl 2-No u degrees ECa(2) cent>>.Ii paragraph signthornI(c)-1-carboxylate 91085-03-9
4-(Dimethylamino)-3-(methylthio)phenol 1243380-67-7
1-(3-fluorophenyl)-N-((4-methyl-2-(thiophen-2-yl)thiazol-5-yl)methyl)-5-oxopyrrolidine-3-carboxamide 1421464-95-0
N-[5-(4-fluorobenzyl)-1H-1,2,4-triazol-3-yl]-5-(pyridin-3-yl)-1H-pyrazole-3-carboxamide 1489255-89-1
N-(1H-benzimidazol-2-ylmethyl)-5-(4-methoxyphenyl)-2-methylpyrazole-3-carboxamide 1574337-44-2
methyl N-(4-aminophenyl)-N-(methylsulfonyl)glycinate 1573548-39-6
N-(1-{2-[4-(3-chlorophenyl)piperazino]-2-oxoethyl}-1H-indol-4-yl)acetamide 1574480-50-4
3-amino-N-(benzo[d]thiazol-2-yl)propanamide hydrochloride 1573547-33-7
Methyl I+/--cyano-3,4-dimethylbenzeneacetate 153742-14-4
1-Chloro-4,5-difluoro-2-(fluoromethyl)benzene 1805645-77-5
2,5-Dichloro-4-(cyclohexylmethoxy)pyrimidine 1509000-62-7
N-(6-fluoro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-2-phenoxyacetamide 1574494-39-5
4,7-dimethoxy-N-[3-(4H-1,2,4-triazol-3-yl)phenyl]-1H-indole-2-carboxamide 1574484-67-5
N-[2-(1H-1,3-benzimidazol-2-yl)ethyl]-3-(6-chloro-1H-indol-1-yl)propanamide 1574471-08-1
6-(2-Methylphenyl)-1,3-diazinane-2,4-dione 861324-98-3
3-Azetidinecarboxylic acid, 1-[(2R)-2-amino-1-oxobutyl]- 1568041-74-6
7-[(2-Fluorophenyl)methyl]-3-methyl-8-(4-methylpiperidin-1-yl)-4,5-dihydropurine-2,6-dione 673493-88-4
N-(3,5-dichlorophenyl)-2-[[4-(4-methoxyphenyl)-6-oxo-1,3-diazinan-2-yl]sulfanyl]acetamide 674362-13-1
2-(2-chlorophenyl)-N-((4-methyl-2-(o-tolyl)thiazol-5-yl)methyl)acetamide 1448054-95-2
1-((4-Methyl-2-(o-tolyl)thiazol-5-yl)methyl)-3-(thiophen-2-yl)urea 1448130-57-1
7-[2-(1,3-benzothiazol-2-ylsulfanyl)ethyl]-1,3-dimethyl-8-(1,2,3,4-tetrahydroisoquinolin-2-yl)-2,3,6,7-tetrahydro-1H-purine-2,6-dione 674294-97-4
(2S)-2-pyridin-4-ylpropan-1-ol 2248183-09-5
N-((1-(benzo[d]thiazol-2-yl)piperidin-4-yl)methyl)-3-chloro-4-fluorobenzenesulfonamide 1797724-79-8
N-(isoxazol-4-yl)-3-(phenylsulfonyl)propanamide 1396867-88-1
1-(3-(Benzo[d]thiazol-2-yloxy)azetidin-1-yl)-3-((4-methoxyphenyl)sulfonyl)propan-1-one 1421525-22-5
2-(1-Aminoethyl)-4,6-difluorophenol 1337351-71-9
3-Cyclopropoxy-N2,N2,N4,N4-tetramethylpyridine-2,4-dicarboxamide 1243381-95-4
3-(2,3-dihydro-1H-inden-2-yl)butanoic acid 2228412-62-0
5-Tert-butyl-4-cyclopropoxy-2-ethylpyridine 1243368-55-9

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