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-[(2Z)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]-2-(3,5,9-trimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)acetamide 1219550-24-9
ethyl 4-[(1-methyl-1H-indol-2-yl)carbonyl]piperazine-1-carboxylate 1219540-67-6
N-[2-chloro-5-(1H-tetrazol-1-yl)phenyl]cyclopropanecarboxamide 1189418-41-4
(4-benzylpiperazin-1-yl)[5-(cyanomethoxy)-1H-indol-3-yl]acetic acid 1236261-08-7
N-(3-chlorobenzyl)-2-[3-(2-fluorophenyl)-6-oxo-1(6H)-pyridazinyl]acetamide 1219560-66-3
2-(4-bromo-1H-indol-1-yl)-N-(pyridin-2-yl)acetamide 1219583-63-7
N-(2-fluorobenzyl)-2-(4-oxoquinazolin-3(4H)-yl)benzamide 1219572-78-7
N-[3-(acetylamino)phenyl]-2-(4-bromo-1H-indol-1-yl)acetamide 1219548-97-6
2-[(2-methylpropyl)amino]-N-(pyridin-3-yl)-1,3-thiazole-4-carboxamide 1219566-76-3
(N2Z,N6E)-N2,N6-bis(4-fluoro-3-methylbenzo[d]thiazol-2(3H)-ylidene)pyridine-2,6-dicarboxamide 1005957-56-1
2-(4-chloro-1H-indol-1-yl)-N-(3-hydroxyphenyl)acetamide 1219579-04-0
5-oxo-5-(3-oxopiperazin-1-yl)-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]pentanamide 1219545-80-8
6-(Furan-2-ylmethyl)-4-methyl-2-(2-methylprop-2-enyl)-7,8-dihydropurino[7,8-a]imidazole-1,3-dione 959245-90-0
4-({[4-(3-fluorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoic acid 1219569-20-6
4-[({4-[2-(trifluoromethoxy)phenyl]-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl}carbonyl)amino]benzoic acid 1219571-95-5
4-Chloro-2-(3-fluorophenyl)pyridine 1159814-60-4
methyl 3-({[4-(3-chloro-4-fluorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)-4-methoxybenzoate 1219559-68-8
4-ethoxy-3,5-dimethyl-N-(1-propionyl-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide 1021039-75-7
N-[2-(2-methoxyphenyl)ethyl]-1-(1H-tetrazol-1-yl)cyclohexanecarboxamide 1220108-05-3
6-(3,5-dimethyl-1H-pyrazol-1-yl)-2-(2-(4-(2-methoxyphenyl)piperazin-1-yl)-2-oxoethyl)pyridazin-3(2H)-one 1219565-32-8
N-(1-(ethylsulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)-3-methyl-4-propoxybenzenesulfonamide 1021039-83-7
3-methyl-N-(1-propionyl-1,2,3,4-tetrahydroquinolin-7-yl)benzenesulfonamide 1021117-29-2
4-ethoxy-3,5-dimethyl-N-(1-propionyl-1,2,3,4-tetrahydroquinolin-7-yl)benzenesulfonamide 1021039-91-7
2-(4-methoxyphenyl)-N-(1-(propylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)ethanesulfonamide 1021039-94-0
2-(4-bromo-1H-indol-1-yl)-N-[2-(morpholin-4-yl)ethyl]acetamide 1219573-43-9
3-Benzyl-8-[4-(trifluoromethyl)benzoyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione 1021040-07-2
3-Ethyl-8-(3-fluorobenzoyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione 1021089-50-8
8-(2-Chloro-6-fluorobenzoyl)-3-methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione 1021040-23-2
3-Benzyl-8-((2,4-difluorophenyl)sulfonyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione 1021117-65-6
8-((3,5-Dimethylisoxazol-4-yl)sulfonyl)-3-ethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione 1021117-67-8
4-((6-bromo-2-((2-((2,5-dimethoxyphenyl)amino)-2-oxoethyl)thio)-4-oxoquinazolin-3(4H)-yl)methyl)-N-(2-methoxyethyl)benzamide 422288-53-7
4-oxo-4-(3-oxopiperazin-1-yl)-N-[(2Z)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]butanamide 1219554-79-6
2-(2-(4-(4-methoxyphenyl)piperazin-1-yl)-2-oxoethyl)-6-phenylpyridazin-3(2H)-one 1219539-66-8
[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl][2-(1H-tetrazol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophen-3-yl]methanone 1219568-26-9
N-(2-hydroxyphenyl)-6-(3-oxo-1,2-benzothiazol-2(3H)-yl)hexanamide 1219577-48-6
2-[acetyl(propan-2-yl)amino]-N-(1,3-dihydro-2H-benzimidazol-2-ylidene)-4-methyl-1,3-thiazole-5-carboxamide 1219544-24-7
[(5-Chloro-2,4-dimethoxyphenyl)carbamoyl]methyl 5-methylthiophene-2-carboxylate 1241157-85-6
2-(4-fluorobenzyl)-6-(4-fluoro-2-methoxyphenyl)pyridazin-3(2H)-one 1219588-87-0
4-[(2,3,4,6-Tetra-O-benzoyl-I(2)-D-allopyranosyl)oxy]benzaldehyde 950761-88-3
N-{[2-(2-fluorophenyl)-4-methyl-1,3-thiazol-5-yl]carbonyl}glycylglycine 1219547-00-8
N-cyclohexyl-2-[3-(2-fluorophenyl)-6-oxo-1(6H)-pyridazinyl]acetamide 1219551-38-8
6-(4-fluoro-2-methoxyphenyl)-2-(2-oxopropyl)pyridazin-3(2H)-one 1219548-09-0
N-(3,4-dimethoxybenzyl)-2-[3-(2-fluorophenyl)-6-oxo-1(6H)-pyridazinyl]acetamide 1219581-72-2
N-(2-methyl-1H-benzimidazol-5-yl)-3-phenylpropanamide 1219561-61-1
ethyl (2-{[(5-hydroxy-1-oxo-2,3-dihydropyrrolo[1,2-a]quinazolin-3a(1H)-yl)carbonyl]amino}-1,3-thiazol-4-yl)acetate (non-preferred name) 1236258-48-2
2-[2-(1,2-dimethyl-1H-indol-3-yl)-2-oxoethyl]-6-(4-methoxyphenyl)pyridazin-3(2H)-one 1219581-95-9
2-(6-Bromo-2-oxo-1-quinolyl)butanamide 1235488-42-2
N-(2-chlorobenzyl)-2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)acetamide 1219543-26-6
N-(1,3-benzodioxol-5-yl)-3-(4-bromo-1H-indol-1-yl)propanamide 1219568-09-8
2-(4-bromo-1H-indol-1-yl)-N-[3-(2-oxopyrrolidin-1-yl)propyl]acetamide 1219550-36-3

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