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
ethyl 2-(1-benzylimidazol-4-yl)acetate 163210-50-2
1-(4-[3-(Aminomethyl)pyridin-2-yl]piperazin-1-yl)ethan-1-one 953739-99-6
methyl 3-[3-(tert-butoxycarbonylamino)propoxy]benzoate 174665-04-4
2-mercapto-3,6-dimethylquinazolin-4(3H)-one 80195-31-9
2-Cyclopentylidene-1,3-dithiole 133113-77-6
(6R)-6-(5Chloro-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)tetrahydro-4h-furo(3,2-d)(1,3,2)dioxaphosphinin-2-olate 2-oxide 99966-15-1
5-Cyclopropyl-2'-deoxyuridine 108274-20-0
N-(2-(1H-indol-3-yl)ethyl)-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine 852314-06-8
4-Amino-7-(2-deoxy-beta-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-5-carboxamidine 120592-96-3
2-Ethyl-6-(4-fluorophenoxy)-1,5-naphthyridin-4(1H)-one 143071-79-8
4-ethoxy-N-(2-{[6-(4-methylphenyl)pyridazin-3-yl]oxy}ethyl)benzamide 1005296-36-5
5-chloro-2-methoxy-N-(2-{[6-(4-methoxyphenyl)pyridazin-3-yl]oxy}ethyl)benzamide 1005304-80-2
N-(2-{[6-(4-fluorophenyl)pyridazin-3-yl]oxy}ethyl)-3,4,5-trimethoxybenzamide 920248-54-0
2-fluoro-N-(2-((6-(4-fluorophenyl)pyridazin-3-yl)oxy)ethyl)benzamide 920407-22-3
3-fluoro-N-(2-{[6-(4-fluorophenyl)pyridazin-3-yl]oxy}ethyl)benzamide 920248-62-0
4-fluoro-N-(2-((6-(4-fluorophenyl)pyridazin-3-yl)oxy)ethyl)benzamide 920363-82-2
N-(2-((6-(4-ethoxyphenyl)pyridazin-3-yl)oxy)ethyl)-2-methylbenzamide 920249-33-8
N-(2-((6-(4-ethoxyphenyl)pyridazin-3-yl)oxy)ethyl)-4-methylbenzamide 920408-86-2
N-(2-((6-(4-ethoxyphenyl)pyridazin-3-yl)oxy)ethyl)-4-methoxybenzamide 920157-50-2
N-(2-((6-(4-ethoxyphenyl)pyridazin-3-yl)oxy)ethyl)-3,4-dimethoxybenzamide 920365-51-1
N-(2-((6-(4-ethoxyphenyl)pyridazin-3-yl)oxy)ethyl)-4-fluorobenzamide 920249-45-2
ethyl 4-({[5-(3-chloro-4-methoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]acetyl}amino)benzoate 1052606-91-3
2-[5-(3-chloro-4-methoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-(2-ethylphenyl)acetamide 1052606-64-0
2-[5-(3-chloro-4-methoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-(3,4-dimethoxyphenyl)acetamide 1052607-09-6
ethyl 4-({[5-(3,4-difluorophenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]acetyl}amino)benzoate 1052607-77-8
5-(3,4-dimethoxyphenyl)-1-(4-fluorobenzyl)-3a,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(1H,5H)-dione 1008274-87-0
3-[(3-chlorophenyl)sulfonyl]-N-(2-phenylethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine 892729-32-7
3-[(3-chlorophenyl)sulfonyl]-N-(2-methoxybenzyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine 892729-36-1
3-[(3-Chlorophenyl)sulfonyl]-5-(1-pyrrolidinyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidine 899965-08-3
2-[3-(anilinomethyl)-6,7-dimethoxy-2-oxoquinolin-1(2H)-yl]-N-(2,5-dimethylphenyl)acetamide 894548-33-5
2-(6,7-dimethoxy-2-oxo-3-((phenylamino)methyl)quinolin-1(2H)-yl)-N-(m-tolyl)acetamide 894548-56-2
2-{6,7-dimethoxy-2-oxo-3-[(phenylamino)methyl]-1,2-dihydroquinolin-1-yl}-N-(4-fluorophenyl)acetamide 894548-64-2
2-{6,7-dimethoxy-2-oxo-3-[(phenylamino)methyl]-1,2-dihydroquinolin-1-yl}-N-(3-fluorophenyl)acetamide 894548-80-2
N-(4-chlorophenyl)-2-{6,7-dimethoxy-2-oxo-3-[(phenylamino)methyl]-1,2-dihydroquinolin-1-yl}acetamide 894549-12-3
N-(2-chlorophenyl)-2-{6,7-dimethoxy-2-oxo-3-[(phenylamino)methyl]-1,2-dihydroquinolin-1-yl}acetamide 894549-44-1
2-(3-(((4-ethylphenyl)amino)methyl)-6,7-dimethoxy-2-oxoquinolin-1(2H)-yl)-N-(o-tolyl)acetamide 894556-42-4
2-(3-(((4-ethylphenyl)amino)methyl)-6,7-dimethoxy-2-oxoquinolin-1(2H)-yl)-N-(2-fluorophenyl)acetamide 894557-49-4
5-(3-chloro-4-methoxyphenyl)-1-[(4-chlorophenyl)methyl]-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione 1008263-21-5
3-(3,5-dimethylphenyl)-1-((4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl)quinazoline-2,4(1H,3H)-dione 899900-63-1
2-[5-(3,4-difluorophenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-(3-methoxyphenyl)acetamide 1052609-13-8
2-[5-(3,4-difluorophenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-(4-ethylphenyl)acetamide 1007922-32-8
N-(5-chloro-2,4-dimethoxyphenyl)-2-[5-(3,4-difluorophenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]acetamide 1052607-46-1
2-[5-(3,4-dimethylphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-phenylacetamide 1008648-08-5
N-(4-chlorophenyl)-2-(5-(3,4-dimethylphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl)acetamide 1008263-24-8
1-[7-Chloro-3-(4-ethylbenzenesulfonyl)-[1,2,3]triazolo[1,5-A]quinazolin-5-YL]-4-methylpiperazine 904581-83-5
1-[7-Chloro-3-(4-ethylbenzenesulfonyl)-[1,2,3]triazolo[1,5-A]quinazolin-5-YL]pyrrolidine 904582-73-6
2-(6,7-dimethoxy-2-oxo-3-((p-tolylamino)methyl)quinolin-1(2H)-yl)-N-(3,4-dimethylphenyl)acetamide 894551-59-8
2-(3-(((4-ethylphenyl)amino)methyl)-6,7-dimethoxy-2-oxoquinolin-1(2H)-yl)-N-(3-fluorophenyl)acetamide 894557-29-0
N-(2,5-dimethylphenyl)-2-(7-methoxy-3-(((4-methoxyphenyl)amino)methyl)-2-oxoquinolin-1(2H)-yl)acetamide 894560-58-8
N-(3,5-dimethylphenyl)-2-(7-methoxy-3-(((4-methoxyphenyl)amino)methyl)-2-oxoquinolin-1(2H)-yl)acetamide 894562-63-1

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