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CAS号查询库

CAS号是公开的化学物质信息的最权威的集合。CAS号涵盖从1957年至今的科学文献中确定的物质,其他物质可追溯到20世纪初。它也称CAS编号(CAS Registry Number,或称CAS Number,CAS Rn,CAS #),又称CAS登录号或CAS登记号码,是某种物质(化合物、高分子材料、生物序列(Biological sequences)、混合物或合金)的唯一的数字识别号码。美国化学会的下设组织化学文摘社(Chemical Abstracts Service,简称CAS)负责为每一种出现在文献中的物质分配一个CAS编号,其目的是为了避免化学物质有多种名称的麻烦,使数据库的检索更为方便。如今几乎所有的化学数据库都允许用CAS编号检索。

名称 CAS号
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