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
4-Hydrazinyl-6-(phenylsulfanyl)pyrimidine 1112383-95-5
4-(4-phenylpiperazin-1-yl)pyrimidine-2(1H)-thione 1112383-96-6
3-(2-Fluorophenyl)-6-({[3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}thio)pyridazine 1111000-22-6
3-(2,5-Difluorophenyl)-4-fluorobenzaldehyde 1184216-19-0
4-(6-Chloropyrimidin-4-yl)thiomorpholine 1112278-31-5
3-(3-Chloro-4-fluorophenyl)-5-(((6-(2-fluorophenyl)pyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole 1111170-77-4
N-(2-methoxy-5-methylphenyl)-2-((3-(4-methylbenzyl)-4-oxo-3,4-dihydropyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl)thio)acetamide 1223858-84-1
4-Fluoro-2',4'-dimethyl[1,1'-biphenyl]-3-carbaldehyde 927801-81-8
N-(3,4-difluorophenyl)-2-((3-(4-ethylbenzyl)-4-oxo-3,4-dihydropyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl)thio)acetamide 1223922-25-5
4-Amino-3-(methylcarbamoyl)-1,2-thiazole-5-carboxylic acid 1112444-89-9
Methyl 4-amino-3-{[(3-methoxyphenyl)methyl]carbamoyl}-1,2-thiazole-5-carboxylate 1112383-89-7
4-Amino-3-(butylcarbamoyl)-1,2-thiazole-5-carboxylic acid 1112384-11-8
4-Amino-3-(isobutylcarbamoyl)isothiazole-5-carboxylic acid 1112444-90-2
4-Amino-3-[(cyclopropylmethyl)carbamoyl]-1,2-thiazole-5-carboxylic acid 1112278-46-2
Methyl 4-amino-3-(methylcarbamoyl)-1,2-thiazole-5-carboxylate 1112444-69-5
1-(4-Bromo-2-nitrophenyl)-2-methylpiperazine 1240564-48-0
2-methyl-6-(3-methylbutyl)-5-sulfanylidene-2H,4H,5H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one 1112444-81-1
1-[4-(1-methyl-4-phenyl-1H-imidazol-5-yl)phenyl]-1H-1,2,4-triazole 1269105-88-5
N-(3,4-difluorophenyl)-2-((3-(4-fluorobenzyl)-4-oxo-3,4-dihydropyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl)thio)acetamide 1189669-72-4
2-methyl-6-(2-methylpropyl)-5-thioxo-2,4,5,6-tetrahydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 1112384-03-8
4-[1-(Pyrimidin-5-ylmethyl)pyrrolidin-3-YL]-2,4'-bipyridine 1269105-95-4
5-[4-[(5-cyclopropyl-1H-pyrazol-3-yl)amino]pyrimidin-2-yl]thiophene-2-sulfonamide 1266477-18-2
2-Phenoxyethyl caproate 23511-71-9
5-(5-chloro-4-(3-cyclopropyl-1H-pyrazol-5-ylamino)pyrimidin-2-yl)thiophene-2-carboxylic acid 1266478-21-0
1-[5-[5-chloro-4-[(5-cyclopropyl-1H-pyrazol-3-yl)amino]-pyrimidin-2-yl]-2-thienyl]ethanone 1266477-81-9
(3S,4S)-1-Isopropyl-4-methoxypyrrolidin-3-amine 1269602-05-2
5-Thiazolecarboxylic acid, 4-ethyl-2-[methyl(2,2,2-trifluoroethyl)amino]- 1275832-50-2
3-[(1,1-Dioxidotetrahydrothiophen-3-yl)amino]-1-(4-methylphenyl)pyrrolidine-2,5-dione 1219357-90-0
Ethyl 1,4-dimethyl-1H-imidazole-2-carboxylate 898834-09-8
4-Methyl-6-(propylsulfonyl)quinolin-2(1H)-one 1207858-39-6
{[6-Methyl-2-(piperidin-1-yl)pyrimidin-4-yl]methyl}(2-methylpropyl)amine 1272301-38-8
4-{6-[4-(2,3-Dihydro-1,4-benzodioxine-6-sulfonyl)piperazin-1-YL]-2-methylpyrimidin-4-YL}morpholine 1189882-02-7
4-Methyl-2-(piperidin-4-yl)pyridine 1260886-47-2
2-(3,5-Difluorophenyl)pyrimidine-4-carboxylic acid 1274614-23-1
2-(4-Chlorophenyl)-6-methylpyrimidine-4-carboxylic acid 1272301-61-7
N-(2-Ethoxyphenyl)-3-(3-(1-isopropyl-6-methyl-2-oxo-1,2-dihydropyridin-3-yl)-1,2,4-oxadiazol-5-yl)propanamide 1223861-99-1
4-(1,3-Benzothiazol-2-ylsulfanyl)cyclohexan-1-amine 1274626-51-5
1-(4-(Chloro(phenyl)methyl)piperidin-1-yl)ethan-1-one 1013330-19-2
3-[(2,3-Dichlorophenoxy)methyl]pyrrolidine hydrochloride 1219949-17-3
1-(3,3-Dimethoxypropyl)pyrazole 1032964-21-8
Ethyl 1-(2-((3-chloro-4-methoxyphenyl)amino)-2-oxoethyl)-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate 1031573-35-9
N-(1-cyanocyclobutyl)-N-methyl-4-oxo-4H-chromene-2-carboxamide 1252385-13-9
4-[(4-Methylphenyl)(methylsulfonyl)amino]butanoic acid 1266484-02-9
2-Amino-4-chloro-6-methylpyrimidine-5-carbaldehyde 1378822-81-1
1-[(6-Bromopyridin-2-yl)methyl]pyrrolidin-2-one 1093879-39-0
1-[(5-bromo-2,4-dimethylphenyl)sulfonyl]-1H-benzimidazole 1206093-68-6
Trans-4-(4-ethylcyclohexyl)-phenyl acetylene 1369510-20-2
5-(2-chlorobenzyl)-8-fluoro-3-(2-methoxybenzyl)-3H-pyrimido[5,4-b]indol-4(5H)-one 1185030-39-0
4-Bromo-3-methoxy-2-naphthonitrile 858031-24-0
N-Boc-N-methyl-4-methoxy-D-phenylalanine 155403-94-4

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