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
6-(3,4-dimethylphenyl)-2-[2-(6-methyl-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-2-oxoethyl]pyridazin-3(2H)-one 1252919-38-2
2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)-N-(4-methoxybenzyl)acetamide 1252896-20-0
N-(2,3-dimethoxybenzyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252921-91-7
N-tert-butyl-2-[3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl]acetamide 1252900-75-6
2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)-N-propylacetamide 1252849-67-4
2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)-N-(3,4,5-trimethoxyphenyl)acetamide 1252879-13-2
N-(3,4-dimethoxybenzyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252844-95-3
2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)-N-(4-fluoro-2-methylphenyl)acetamide 1252917-85-3
N-(4-bromo-2-methylphenyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252909-90-2
N-(3-chlorophenyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)-N-methylacetamide 1252922-95-4
2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)-N-(3-fluoro-4-methoxyphenyl)acetamide 1252901-21-5
N-(2-chloro-4-fluorophenyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252905-93-3
N-(2-bromo-4-methylphenyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252913-59-9
N-(3-chloro-4-fluorobenzyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252906-44-7
methyl 4-chloro-2-({[3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl]acetyl}amino)benzoate 1252853-80-7
N-(2,3-dihydro-1H-inden-5-yl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252898-23-9
N-(2,3-dihydro-1H-inden-1-yl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide 1252923-71-9
N-((3-(4-(benzyloxy)phenyl)-1,2,4-oxadiazol-5-yl)methyl)-N-ethylethanamine 1252899-04-9
3-(4-(Benzyloxy)phenyl)-5-(pyrrolidin-1-ylmethyl)-1,2,4-oxadiazole 1252823-15-6
(R)-2-(((Allyloxy)carbonyl)amino)-5-((tert-butoxycarbonyl)amino)pentanoic acid 1128109-40-9
1-({3-[4-(Benzyloxy)phenyl]-1,2,4-oxadiazol-5-yl}methyl)piperidine-4-carboxamide 1252817-91-6
4-((3-(4-(Benzyloxy)phenyl)-1,2,4-oxadiazol-5-yl)methyl)morpholine 1252863-93-6
3-((4-Aminophenyl)thio)dihydrofuran-2(3H)-one 1095660-34-6
1-({3-[4-(Benzyloxy)phenyl]-1,2,4-oxadiazol-5-yl}methyl)-4-phenylpiperazine 1252850-92-2
1-({3-[4-(Benzyloxy)phenyl]-1,2,4-oxadiazol-5-yl}methyl)-4-(4-methoxyphenyl)piperazine 1252928-45-2
1-({3-[4-(Benzyloxy)phenyl]-1,2,4-oxadiazol-5-yl}methyl)-4-(2-fluorophenyl)piperazine 1252820-00-0
(4-((3-(4-(Benzyloxy)phenyl)-1,2,4-oxadiazol-5-yl)methyl)piperazin-1-yl)(furan-2-yl)methanone 1252851-68-5
2-[4-({3-[4-(benzyloxy)phenyl]-1,2,4-oxadiazol-5-yl}methyl)piperazin-1-yl]-N-(4-methylphenyl)acetamide 1252906-46-9
1-({3-[4-(Benzyloxy)phenyl]-1,2,4-oxadiazol-5-yl}methyl)-4-(2-methylphenyl)piperazine 1252921-44-0
1-(2,5-dimethoxyphenyl)-3-[2-(2-methyl-1H-indol-3-yl)ethyl]thiourea 847388-65-2
1-(2-(2-methyl-1H-indol-3-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)thiourea 847388-77-6
1-(2-(2-methyl-1H-indol-3-yl)ethyl)-3-(4-nitrophenyl)thiourea 847388-79-8
1-(3,5-dimethylphenyl)-3-[2-(5-fluoro-2-methyl-1H-indol-3-yl)ethyl]thiourea 847388-95-8
1-(2-ethyl-6-methylphenyl)-3-[2-(5-fluoro-2-methyl-1H-indol-3-yl)ethyl]thiourea 847388-96-9
1-(3-bromophenyl)-3-(2-(5-fluoro-2-methyl-1H-indol-3-yl)ethyl)thiourea 847389-10-0
1-(4-bromophenyl)-3-[2-(5-fluoro-2-methyl-1H-indol-3-yl)ethyl]thiourea 847389-11-1
1-(2-(5-fluoro-2-methyl-1H-indol-3-yl)ethyl)-3-(4-(trifluoromethyl)phenyl)thiourea 847389-14-4
N-(propan-2-yl)-4-propylcyclohexanamine 1038230-71-5
(S)-2-(3,5-Dichlorophenyl)piperidine 1213141-67-3
(2S)-1-(1-benzothiophen-3-yl)propan-2-amine 788815-11-2
(Heptan-2-yl)[(pyridin-2-yl)methyl]amine 1038223-03-8
3-(2-(5-Methyl-1H-benzo[d]imidazol-2-yl)ethyl)aniline 886495-91-6
1-methyl-2-(2-phenylethyl)-1H-benzimidazol-5-amine 884142-96-5
4-(6,8-Dichloro-2-methylimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole 886503-68-0
4-(6-Bromo-2,8-dimethylimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole 886503-73-7
4-(6-Bromo-2-methyl-8-nitroimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole 886503-78-2
4-(8-Bromo-2,6-dimethylimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole 886503-83-9
4-(6-Bromo-2-methylimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole 886503-88-4
2-Hydrazinyl-4-(2-methyl-6-nitroimidazo[1,2-a]pyridin-3-yl)thiazole 886503-92-0
4-(2,6-Dimethylimidazo[1,2-a]pyridin-3-yl)-2-hydrazinylthiazole 886503-96-4

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