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-(6-((2-methylbenzyl)thio)pyridazin-3-yl)furan-2-carboxamide 1021061-62-0
N-(6-((2-((2,4-difluorophenyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)furan-2-carboxamide 1021107-07-2
N-(6-((4-(trifluoromethyl)benzyl)thio)pyridazin-3-yl)furan-2-carboxamide 1021107-10-7
N-(6-(methylthio)pyridazin-3-yl)furan-2-carboxamide 1021136-32-2
N-(6-((2-((2-methoxybenzyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)furan-2-carboxamide 1021136-36-6
N-(6-((2-((2-chlorobenzyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)furan-2-carboxamide 1021026-59-4
N-(6-((2-oxo-2-((4-(trifluoromethyl)phenyl)amino)ethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021136-56-0
N-(6-((2-((2,5-dimethoxyphenyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021061-88-0
N-(6-((2-((4-ethoxyphenyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021026-69-6
N-(6-((2-(benzo[d][1,3]dioxol-5-ylamino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021107-34-5
N-(6-((2-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021136-62-8
N-(6-((2-((3-acetamidophenyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021061-90-4
Methyl 5-(((6-(thiophene-2-carboxamido)pyridazin-3-yl)thio)methyl)furan-2-carboxylate 1021061-94-8
N-(6-((2-morpholino-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021061-96-0
N-(6-((2-((5-methylisoxazol-3-yl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021136-77-5
N-(6-((2-((6-methylbenzo[d]thiazol-2-yl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021107-54-9
N-(6-((2-((3-fluoro-4-methylphenyl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021062-05-4
N-(6-((2-((3-methylisoxazol-5-yl)amino)-2-oxoethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021107-66-3
4-acetamido-N-(2-(2-phenoxyacetamido)ethyl)benzamide 1021107-86-7
4-acetamido-N-(2-(2-propylpentanamido)ethyl)benzamide 1021026-88-9
4-acetamido-N-(2-(2-(benzylthio)acetamido)ethyl)benzamide 1021137-06-3
4-acetamido-N-(2-(2-(4-fluorophenyl)acetamido)ethyl)benzamide 1021026-89-0
4-acetamido-N-(2-(2-(3,4-dimethoxyphenyl)acetamido)ethyl)benzamide 1021062-31-6
N-(2-(4-acetamidobenzamido)ethyl)-9H-xanthene-9-carboxamide 1021137-10-9
5-ethyl-N-(2-(6-oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)thiophene-2-sulfonamide 1021027-20-2
N-(2-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)ethyl)-2-(thiophen-2-yl)acetamide 1021108-52-0
4-methyl-N-(2-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)ethyl)-2-phenylthiazole-5-carboxamide 1021137-53-0
1-(2,4-difluorophenyl)-3-(2-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)ethyl)urea 1105208-44-3
({[4-(Difluoromethoxy)phenyl]methyl}(methyl)carbamoyl)methyl 2-(furan-2-yl)-4-methyl-6-(methylsulfanyl)pyrimidine-5-carboxylate 1197625-88-9
1-(1H-indazole-6-carbonyl)piperidine-2-carboxylic acid 1218555-39-5
2-{2-[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}-N-(2-ethylphenyl)acetamide 1260918-93-1
3,4-difluoro-N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)benzamide 1021027-59-7
2-chloro-N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)benzamide 1021210-42-3
N-[3-methyl-4-(2-oxopyrrolidin-1-yl)phenyl]thiophene-3-carboxamide 1210347-97-9
4-butyl-N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)cyclohexanecarboxamide 1021137-79-0
N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)-9H-xanthene-9-carboxamide 1021108-99-5
1-(3,5-dichlorophenyl)-1H-1,2,3-triazole-4-carboxylic acid 1099632-06-0
2,5-dimethoxy-N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)benzenesulfonamide 1021109-01-2
N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide 1021027-74-6
4-fluoro-3-methyl-N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)benzenesulfonamide 1021137-92-7
6-Chloro-3-iodo-7-methyl-4H-chromen-4-one 1159981-03-9
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2,2-diphenylpent-4-en-1-amine 846576-90-7
Tert-Butyl 2-amino-4-methyl-5-phenylthiophene-3-carboxylate 1213791-77-5
2-chloro-N-[1-(2-cyanoethyl)-3-methyl-1H-pyrazol-5-yl]pyridine-4-carboxamide 1241119-92-5
(3-Iodo-1-methylene-2-phenylpropyl)benzene 1211565-52-4
N-(1-acetylpiperidin-4-yl)-5-bromofuran-2-carboxamide 1211777-55-7
(2E)-3-(4-Aminophenyl)-1-(2-hydroxyphenyl)-2-propen-1-one 52923-37-2
1-isopropyl-N-[2-(4-methoxyphenyl)ethyl]-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide 1190296-39-9
5-[(1H-imidazol-1-yl)methyl]-3-(4-methylphenyl)-1,2,4-oxadiazole 1197616-17-3
6-cyclopropyl-N-[2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl]-1-propyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide 1174846-41-3

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