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 4-(2-((3-(4-fluorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetyl)piperazine-1-carboxylate 852373-71-8
N-(5-chloro-2-methoxyphenyl)-2-((3-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide 852376-41-1
N-(4-acetamidophenyl)-2-((3-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide 852376-59-1
N-(benzo[d][1,3]dioxol-5-yl)-2-((3-(4-ethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide 852436-82-9
2-((3-(3,4-Dimethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-1-(indolin-1-yl)ethanone 852437-31-1
ethyl 4-(2-((3-benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamido)benzoate 863452-90-8
ethyl 4-(2-((3-(4-fluorobenzyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamido)benzoate 863457-91-4
N-(4-acetylphenyl)-2-((3-(4-fluorobenzyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide 863457-93-6
ethyl 2-((3-(4-fluorobenzyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)propanoate 863458-28-0
ethyl 2-[2-({3-[(2-fluorophenyl)methyl]-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}sulfanyl)acetamido]benzoate 863458-75-7
N-(4-acetamidophenyl)-2-((3-(4-chlorobenzyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide 896678-34-5
N-(3-chloro-4-methylphenyl)-2-((3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide 863459-36-3
ethyl 2-(2-((3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamido)benzoate 863459-52-3
ethyl 4-(2-((3-(4-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamido)benzoate 863460-20-2
methyl 4-(2-((3-(4-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamido)benzoate 863460-21-3
2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide 863500-70-3
4-chloro-N-(2-methyl-5-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide 896679-78-0
N-((3-(1H-benzo[d]imidazol-2-yl)phenyl)carbamothioyl)-3,5-dimethoxybenzamide 477537-73-8
5-(benzo[d]thiazol-2-yl)-N-(1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)thiophene-2-carboxamide 888410-99-9
(E)-2-(4-hydroxybenzylidene)-7-methyl-5-(5-methylfuran-2-yl)-3-oxo-N-(o-tolyl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxamide 627038-95-3
(E)-ethyl 2-(2-hydroxy-5-nitrobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate 354787-46-5
3-(8-bromo-2-methyl-4-oxo-5,6-dihydro-2H-2,6-methano-1,3,5-benzoxadiazocin-3(4H)-yl)benzoic acid 892280-12-5
2-((5,5-dioxido-3a,4,6,6a-tetrahydrothieno[3,4-d]thiazol-2-yl)(4-methoxyphenyl)amino)-N-(2-methoxyphenyl)acetamide 872200-40-3
2-((5,5-dioxido-3a,4,6,6a-tetrahydrothieno[3,4-d]thiazol-2-yl)(4-ethylphenyl)amino)-N-(2-methoxyphenyl)acetamide 866847-67-8
2-[[6-(hydroxymethyl)-9-methyl-2-(3-methylphenyl)-5H-pyrido[1,2]pyrano[2,4-b]pyrimidin-4-yl]sulfanyl]-1-morpholin-4-yl-ethanone 892415-39-3
Ethanethiol, 2-(phenylmethoxy)- 127084-56-4
2-(3-benzoyl-6-ethoxy-4-oxoquinolin-1(4H)-yl)-N-(3-methoxyphenyl)acetamide 897759-15-8
2-(Propan-2-yloxy)ethane-1-thiol 10160-70-0
(Z)-N-((1,1-dioxidotetrahydrothiophen-3-yl)carbamothioyl)-4-methyl-N'-((phenylsulfonyl)methyl)benzimidamide 302936-88-5
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-{[3-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]sulfanyl}acetamide 868966-66-9
N-(2,4-dimethoxyphenyl)-2-[(3-pyridin-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]acetamide 868967-57-1
N-(5-((2-(benzo[d][1,3]dioxol-5-ylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)cyclohexanecarboxamide 868972-86-5
4-(2-((2-Cyclopentyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamido)benzamide 872620-06-9
4-(2-((6,8-Dimethyl-5,7-dioxo-2-(o-tolyl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamido)benzamide 872629-35-1
4-(2-((6,8-Dimethyl-5,7-dioxo-2-(p-tolyl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamido)benzamide 872694-54-7
N-(5-ethyl-1,3,4-thiadiazol-2-yl)-2-((1-(4-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide 893910-54-8
2-((1-(4-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide 893914-34-6
2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide 893918-86-0
N-(benzo[d]thiazol-2-yl)-2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide 893920-56-4
2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide 893920-91-7
ethyl 4-(2-{[1-(2,4-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]sulfanyl}acetamido)benzoate 893927-37-2
N-(4-acetylphenyl)-2-((1-(2,4-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide 893927-51-0
2-((1-(2,4-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide 893928-69-3
1-(3,4-dimethylphenyl)-N-(5-((2-((5-methylisoxazol-3-yl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-5-oxopyrrolidine-3-carboxamide 872595-52-3
N-(benzo[d][1,3]dioxol-5-yl)-3-(2-chloro-6-fluorobenzamido)benzofuran-2-carboxamide 872613-01-9
N-(benzo[d][1,3]dioxol-5-yl)-3-(2-phenylbutanamido)benzofuran-2-carboxamide 888463-36-3
N-(benzo[d][1,3]dioxol-5-yl)-3-(benzofuran-2-carboxamido)benzofuran-2-carboxamide 888464-13-9
N-((5-((2-((5-ethyl-1,3,4-thiadiazol-2-yl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)benzamide 872613-59-7
N-((5-((2-((4-methylthiazol-2-yl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)-3-(trifluoromethyl)benzamide 872620-89-8
6-amino-2-((2-(3,4-dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-1-(4-methoxyphenyl)pyrimidin-4(1H)-one 872629-95-3

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