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-(3-(dimethylamino)propyl)-5-methyl-N-(6-methylbenzo[d]thiazol-2-yl)isoxazole-3-carboxamide hydrochloride 1330160-86-5
2-Bromo-N-ethyl-I(2),I(2)-dimethylbenzeneethanamine 173026-37-4
2-ethyl-N-[4-(1H-tetrazol-1-yl)phenyl]butanamide 901656-43-7
4-[2-(3-chloro-4-methoxyphenyl)-2-oxoethyl]-1,4-benzoxazepine-3,5(2H,4H)-dione 901664-95-7
N-{2-[4-(1,3-benzoxazol-2-yl)piperidin-1-yl]-2-oxoethyl}-N-methyl-2-phenylethene-1-sulfonamide 924722-42-9
(4E)-4-[furan-2-yl(hydroxy)methylidene]-1-(2-hydroxyethyl)-5-(pyridin-3-yl)pyrrolidine-2,3-dione 901664-98-0
2-(2-fluorophenoxy)-N-[(2Z)-5-(propylsulfonyl)-1,3,4-thiadiazol-2(3H)-ylidene]butanamide 901665-03-0
1,3,4-Trichloroisoquinoline 21902-42-1
N-[3-(acetylamino)-1,2,4-thiadiazol-5-yl]-1-[3-(4-chlorophenyl)-2,1-benzoxazol-5-yl]-5-methyl-1H-1,2,3-triazole-4-carboxamide 951897-80-6
1-[(5-Chloro-3-methyl-1-benzofuran-2-yl)carbonyl]-4-(2-pyridin-2-ylethyl)piperazine 885735-21-7
1,2-Difluoro-4-[4-(methoxymethylidene)cyclohexyl]benzene 135862-42-9
Benzyl 2-(2-methoxyphenylamino)-2-oxoethylcarbamate 133010-40-9
5-chloro-N-(4-chlorophenyl)-2-[(4-fluorobenzyl)sulfanyl]pyrimidine-4-carboxamide 901658-67-1
Cyclohexanol,2-(4-phenyl-1-piperidinyl)-,(1R)- 1214630-12-2
(2Z)-3-[5-(3-chlorophenyl)(2-furyl)]-N-(3-imidazolylpropyl)-2-(phenylcarbonyla mino)prop-2-enamide 385388-79-4
N-[2-(2-chlorophenyl)-2-(pyrrolidin-1-yl)ethyl]-4-methylbenzamide 953857-64-2
2-(4-methoxyphenyl)-N-[(2Z)-5-(methylsulfonyl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide 895829-66-0
N-(5-((2-methylbenzyl)sulfonyl)-1,3,4-thiadiazol-2-yl)-2-propoxybenzamide 895849-62-4
N-(5-((2-fluorobenzyl)sulfonyl)-1,3,4-thiadiazol-2-yl)-2-(2-methoxyphenoxy)acetamide 895842-35-0
4-tert-butyl-N-{5-[(2-fluorobenzyl)sulfonyl]-1,3,4-thiadiazol-2-yl}benzamide 895840-31-0
N-[(2E)-5-[(2-fluorobenzyl)sulfonyl]-1,3,4-thiadiazol-2(3H)-ylidene]-3-methylbenzamide 895847-93-5
N-[(2E)-5-[(2-fluorobenzyl)sulfonyl]-1,3,4-thiadiazol-2(3H)-ylidene]-2-methylbenzamide 895821-21-3
N-(5-((2-chlorobenzyl)sulfonyl)-1,3,4-thiadiazol-2-yl)-2-propoxybenzamide 901668-95-9
2-(benzylsulfanyl)-5-chloro-N-(3-chlorophenyl)pyrimidine-4-carboxamide 901669-00-9
2-(benzylsulfanyl)-5-chloro-N-(4-chlorophenyl)pyrimidine-4-carboxamide 901669-02-1
2-(benzylsulfanyl)-5-chloro-N-(2,3-dichlorophenyl)pyrimidine-4-carboxamide 901669-06-5
2-(benzylsulfanyl)-5-chloro-N-(3,4-dichlorophenyl)pyrimidine-4-carboxamide 901669-08-7
5-chloro-2-[(2-methylbenzyl)sulfanyl]-N-[2-(trifluoromethyl)phenyl]pyrimidine-4-carboxamide 885738-57-8
Methyl 4-({[2-(benzylsulfanyl)-5-chloropyrimidin-4-yl]carbonyl}amino)benzoate 901669-15-6
2-(benzylsulfanyl)-5-chloro-N-[3-(trifluoromethyl)phenyl]pyrimidine-4-carboxamide 901669-21-4
2-(benzylsulfanyl)-5-chloro-N-(2,4-dimethoxyphenyl)-4-pyrimidinecarboxamide 901669-25-8
N-[4-(acetylamino)phenyl]-2-(benzylsulfanyl)-5-chloropyrimidine-4-carboxamide 901669-30-5
2-chloro-N-[(2Z)-5-[(2-fluorobenzyl)sulfonyl]-1,3,4-thiadiazol-2(3H)-ylidene]benzamide 895838-35-4
Ezlopitant metabolite M17 156749-85-8
Benzyl (S)-3-(4-methoxyphenyl)-2-(1-methylpiperidine-4-carboxamido)propanoate 122225-86-9
N-Acetyl-N-[4-methyl-2-[(methylthio)methyl]phenyl]acetamide 68882-87-1
6-Chloro-4-(3-methylpiperidin-1-yl)-3-(phenylsulfonyl)quinoline 895647-35-5
8-Bromo-2-(trifluoromethyl)-1,6-naphthyridin-5(6H)-one 890301-92-5
1-Methyl-3-(2-methylpropyl)-2,4,5-imidazolidinetrione 93617-52-8
4-Nitro-6-trifluoromethyl-1,3-benzodithiole-2-thione 63417-82-3
Diethyl({2-[(propan-2-yl)amino]ethyl})amine 52295-84-8
3-Amino-6-(tert-pentyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carbonitrile 665024-24-8
4-chloro-2-cycloheptyl-3H-imidazo[4,5-c]quinoline 890087-04-4
2-Methylenenorbornane, (+)- 58001-75-5
Hexanoic acid, 3-amino-2-hydroxy-5-methyl-, (2R,3S)- 73397-21-4
3-(4-Methoxyphenyl)-5-[(methylamino)methyl]-1,3-oxazolidin-2-one 130641-87-1
3-(2-Pyridyl)-5-[2-methoxy-5-(3-pyridyl)phenyl]-1,2,4-oxadiazole 453567-62-9
4-{[Ethoxy(oxo)acetyl]amino}-2-hydroxybenzoic acid 92289-16-2
1'-[(9-Ethylcarbazol-3-yl)methyl]spiro[1,2-dihydroisoquinoline-4,4'-piperidine]-3-one 676607-13-9
2-cyano-N-[3-methyl-4-(trifluoromethyl)phenyl]acetamide 179637-55-9

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