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-(4-ethoxyphenyl)-3-(4-((4-(3-(p-tolyl)-1,2,4-oxadiazol-5-yl)-1H-imidazol-1-yl)methyl)phenyl)urea 931314-44-2
3-(phenylsulfonyl)-1,6-naphthyridin-4(1H)-one 1031606-06-0
N-(4-bromophenyl)-2-((3-(4-ethylphenyl)-5-methyl-4-oxo-7-phenyl-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)thio)acetamide 933195-25-6
1-({4-chloro-5,6-dimethylthieno[2,3-d]pyrimidin-2-yl}methyl)-4-nitro-1H-imidazole 1097126-83-4
N-(3,4-dimethoxyphenyl)-2-((3-(4-ethylphenyl)-5-methyl-4-oxo-7-phenyl-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)thio)acetamide 933195-30-3
N-(3-chloro-4-methoxyphenyl)-2-((3-(4-ethylphenyl)-5-methyl-4-oxo-7-phenyl-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)thio)acetamide 933220-82-7
N-(2-chloro-5-(trifluoromethyl)phenyl)-2-((3-(4-ethylphenyl)-5-methyl-4-oxo-7-phenyl-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)thio)acetamide 933220-86-1
3-(4-fluoro-3-methylphenyl)-2-methyl-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocine-4(3H)-thione 1019137-31-5
2-((6-(2-ethoxyphenyl)-3-(4-ethylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(3-ethylphenyl)acetamide 933221-14-8
6-chloro-4-(2-fluorophenyl)-2H-1,2,3-benzothiadiazine 1,1-dioxide 1031557-71-7
3-ethyl-7-phenyl-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one 933196-65-7
3-(4-oxo-4,5-dihydro[1,2,4]triazolo[4,3-a]quinoxalin-1-yl)-N-(propan-2-yl)propanamide 1031669-29-0
4-((4-(3-(3-fluorophenyl)-1,2,4-oxadiazol-5-yl)-1H-imidazol-1-yl)methyl)aniline 1031578-13-8
2-((3-(4-ethoxyphenyl)-6-methyl-7-oxo-2-thioxo-2,3,6,7-tetrahydrothiazolo[4,5-d]pyrimidin-5-yl)thio)-N-(3-ethylphenyl)acetamide 1112419-10-9
N-(2-chloro-4-methylphenyl)-2-((3-(4-ethoxyphenyl)-6-methyl-7-oxo-2-thioxo-2,3,6,7-tetrahydrothiazolo[4,5-d]pyrimidin-5-yl)thio)acetamide 1112419-11-0
4-({4-[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1H-imidazol-1-yl}methyl)aniline 1031606-14-0
Tert-butyl 2-((2-((3-chloro-4-fluorophenyl)amino)-2-oxoethyl)thio)-3-(thiophen-2-yl)-1,4,8-triazaspiro[4.5]deca-1,3-diene-8-carboxylate 1019186-87-8
Tert-butyl 2-((2-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)amino)-2-oxoethyl)thio)-3-(thiophen-2-yl)-1,4,8-triazaspiro[4.5]deca-1,3-diene-8-carboxylate 1019186-88-9
N-(4-chlorobenzyl)-3-tosylquinoxalin-2-amine 1189648-09-6
N-(2-chlorobenzyl)-3-tosylquinoxalin-2-amine 1189463-79-3
3-(5-amino-1H-pyrazol-1-yl)-1lambda6-thiolane-1,1-dione 1152816-64-2
N-cyclopentyl-4-(3-methylbutyl)-5-oxo-1-sulfanylidene-1H,2H,4H,5H-[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide 1019187-31-5
N-cyclohexyl-4-(3-methylbutyl)-5-oxo-1-sulfanylidene-1H,2H,4H,5H-[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide 1019187-33-7
4-(thiophen-2-ylmethyl)-1-thioxo-1,2-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one 1019137-62-2
8-fluoro-3-(3-methoxybenzyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one 1031606-23-1
ethyl (4-oxo-7-phenyl-2-thioxo-1,2,4,5-tetrahydro-3H-pyrrolo[3,2-d]pyrimidin-3-yl)acetate 1019137-65-5
2-chloro-N-(2,6,6-trimethyl-5,7-dihydro-4H-1-benzofuran-4-yl)acetamide 1155499-16-3
3-benzyl-7-phenyl-2-sulfanyl-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one 1019137-68-8
7-phenyl-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one 1019137-74-6
3-(2-chlorobenzyl)-8-fluoro-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one 1031557-91-1
3-(4-Fluorophenyl)-N-(4-methylpyridin-2-YL)-3-(1-oxo-2,3-dihydro-1H-isoindol-2-YL)propanamide 1031992-56-9
1-(Pyridin-4-yl)piperidine-4-carboxylic acid dihydrochloride 1209880-00-1
4,4',6-Trifluorobiphenyl-3-amine 2367-24-0
2'-Fluoro-5-methoxybiphenyl-2-carboxaldehyde 1214331-14-2
2'-Fluoro-6-methyl-[1,1'-biphenyl]-3-carboxylic acid 1214372-27-6
3'-Fluoro-6-methyl-[1,1'-biphenyl]-3-carboxylic acid 1214331-53-9
2'-Fluoro-3-methylbiphenyl-4-carboxylic acid 1008773-85-0
3,5-Difluorobiphenyl-4-amine 1208083-15-1
6-Methyl-2-phenylpyridin-3-amine 1214387-73-1
4-Methyl-6-phenylpyridin-3-amine 1214363-57-1
N-(4-acetylphenyl)-3-(4-bromo-1H-indol-1-yl)propanamide 1219547-82-6
N-Hexyl-4-(1H-pyrazol-3-yl)benzenamine 1157140-45-8
4'-[(2-Phenylethyl)carbamoyl][2,2'-Bipyridine]-4-Carboxylic Acid 1222184-66-8
2-(Benzylsulfanyl)-3-(3-methoxyphenyl)-7-(morpholine-4-carbonyl)-3,4-dihydroquinazolin-4-one 1115305-93-5
2-Chloro-8-fluoro-4-methylquinoline 1171919-59-7
3-((4-Methoxyphenyl)amino)-1,7-dimethyl-2,3-dihydro-1H-inden-4-ol 1020963-30-7
1-(3-Bromophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione 860599-82-2
N-[2-amino-4-[4-[[(1,1-dimethylethoxy)carbonyl]amino]-3-fluorophenoxy]-3-pyridinyl]carbamic acid ethyl ester 1160825-89-7
Ethyl 4-(4-amino-3-fluorophenoxy)-2-aminopyridin-3-yl-carbamate 1160825-91-1
7-(4-Amino-3-fluorophenoxy)-1-N-methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one 1160825-67-1

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