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
Benzo[kl]xanthene-6,8-diylbis(Diphenylphosphine) 261733-20-4
4-methyl-N-[2-(6-{[2-oxo-2-(piperidin-1-yl)ethyl]sulfanyl}-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl]benzamide 872994-55-3
N-(2-(6-((2-((4-ethylphenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872994-67-7
N-(2-(6-((2-((3-fluorophenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872994-69-9
Ethyl 3-[(4-aminophenyl)thio]benzeneacetate 735273-42-4
N-(2-(6-((2-((5-chloro-2-methoxyphenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872994-75-7
N-(2-(6-((2-((4-methoxyphenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872994-90-6
N-(2-(6-((2-((2-ethoxyphenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872994-91-7
Ethyl 3-[2-(dimethylamino)ethyl]-1H-indole-5-propanoate 163797-90-8
5-Amino-4-[(4-chlorophenyl)amino]-6-(ethylamino)pyrimidine-2-carbonitrile 639855-27-9
4-methyl-N-(2-(6-((2-((3-nitrophenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)benzamide 872995-02-3
Methyl 4-(2-((3-(2-(4-methylbenzamido)ethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamido)benzoate 872995-05-6
N-(2-(6-((2-((4-acetamidophenyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872995-07-8
N-(2-(6-((2-((4-fluorobenzyl)amino)-2-oxoethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872995-11-4
4-methyl-N-(2-(6-((2-oxo-2-(phenethylamino)ethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)benzamide 872995-14-7
(1R,6S)-7,7-dimethyl-2-azabicyclo[4.1.1]octan-3-one 87295-19-0
N-(2-(6-((4-chlorobenzyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-4-methylbenzamide 872995-23-8
4-methyl-N-(2-(6-((3-(trifluoromethyl)benzyl)thio)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)benzamide 872995-30-7
3,3'-(butane-1,1-diyl)bis(1H-indole) 5030-92-2
1-(2,5-Dichlorophenyl)-3-[1-(4-fluorophenyl)-5-oxopyrrolidin-3-yl]urea 894016-53-6
1-(3,4-Dimethoxyphenyl)-3-[1-(4-fluorophenyl)-5-oxopyrrolidin-3-yl]urea 894017-34-6
1-(3-Fluoro-4-methylphenyl)-3-[1-(4-fluorophenyl)-5-oxopyrrolidin-3-yl]urea 894017-82-4
1-Benzyl-3-[1-(4-chlorophenyl)-5-oxopyrrolidin-3-yl]-1-(2-hydroxyethyl)urea 894022-40-3
1-(1-(4-Chlorophenyl)-5-oxopyrrolidin-3-yl)-3-(2,5-dimethylphenyl)urea 894030-04-7
1-(1-(4-Chlorophenyl)-5-oxopyrrolidin-3-yl)-3-(3,4-dimethoxyphenyl)urea 894030-33-2
1-(1-(4-Chlorophenyl)-5-oxopyrrolidin-3-yl)-3-(2,4-dimethoxyphenyl)urea 894030-40-1
1-(2-(1H-indol-3-yl)ethyl)-3-(1-(4-chlorophenyl)-5-oxopyrrolidin-3-yl)urea 887466-30-0
1-(2-Cyanoethyl)-3-(1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-1-methylurea 894036-17-0
1-(4-Bromophenyl)-3-(1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)urea 894039-64-6
1-(1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3-isopropylurea 894045-34-2
1-(1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3-isobutylurea 894045-41-1
1-(2-Chlorobenzyl)-3-(1-(3,4-dimethoxyphenyl)-5-oxopyrrolidin-3-yl)urea 894017-15-3
1-(1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3-(2-fluorophenyl)urea 894018-93-0
1-[4-(Diethylamino)-2-methylphenyl]-3-[1-(3,4-dimethoxyphenyl)-5-oxopyrrolidin-3-yl]urea 894021-38-6
4-butoxy-N-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)benzamide 894043-57-3
4-butoxy-N-(2-(2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)benzamide 894043-64-2
N-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-3,4-dimethoxybenzamide 894046-10-7
2-amino-N-(4-cyanophenyl)acetamide 167088-03-1
N-(2-(2-(3,4-dimethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-4-ethoxybenzamide 894049-31-1
N-(2-(2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-4-ethoxybenzamide 894049-44-6
N-(2-(2-(3,4-dimethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-2-phenylacetamide 894025-68-4
2-(4-ethoxyphenyl)-N-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)acetamide 894026-24-5
N-(2-(2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-4-phenylbutanamide 894026-99-4
N1-(3-chlorophenyl)-N2-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)oxalamide 894032-97-4
N1-(2,4-difluorophenyl)-N2-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)oxalamide 897757-93-6
N1-(3-fluorophenyl)-N2-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)oxalamide 894033-17-1
N1-(3-chloro-4-fluorophenyl)-N2-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)oxalamide 894034-12-9
N1-(2-ethoxyphenyl)-N2-(2-(2-(4-fluorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)oxalamide 894034-63-0
(E)-3-(benzo[d][1,3]dioxol-5-yl)-N-(2-(2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)acrylamide 894035-42-8
2-(4-chlorophenoxy)-N-(2-(2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)acetamide 894035-48-4

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