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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
2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(4-nitrophenyl)acetamide 899993-00-1
N-(3-acetylphenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899951-38-3
N-(2-methoxy-5-(trifluoromethyl)phenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 920413-97-4
1-(4-methylpiperazin-1-yl)-4-((4-nitrobenzyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 899951-39-4
N-(4-fluoro-3-nitrophenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899993-04-5
N-(5-chloro-2-methoxyphenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899755-86-3
4-((4-chlorobenzyl)thio)-1-(4-methylpiperazin-1-yl)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 899951-40-7
N-cyclohexyl-2-[[1-(4-methylpiperazin-1-yl)-2-oxo-5,6,7,8-tetrahydroquinazolin-4-yl]sulfanyl]acetamide 899993-06-7
Methyl 3-amino-7-chlorothieno[3,2-b]pyridine-2-carboxylate 181283-60-3
N-cyclohexyl-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899756-16-2
2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(o-tolyl)acetamide 899756-19-5
N-(4-fluorobenzyl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899951-64-5
N-(4-methylthiazol-2-yl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899951-70-3
N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 899993-51-2
N-(4-methylthiazol-2-yl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 899756-54-8
N-(4-fluoro-3-nitrophenyl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 899951-90-7
4-((2,4-dichlorobenzyl)thio)-1-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydroquinazolin-2(1H)-one 899993-65-8
1-(2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)acetyl)indoline-2-carboxamide 1103515-55-4
(Z)-N-methyl-1-(3-phenylacryloyl)indoline-2-carboxamide 1103514-30-2
1-(2-(4-chlorophenoxy)acetyl)-N-methylindoline-2-carboxamide 1100789-67-0
N-methyl-1-(5-nitrofuran-2-carbonyl)indoline-2-carboxamide 1100790-37-1
1-(3-cyclopentylpropanoyl)-N-ethylindoline-2-carboxamide 1103515-25-8
1-(5-bromofuran-2-carbonyl)-N-ethylindoline-2-carboxamide 1100790-93-9
1-(benzofuran-2-carbonyl)-N-ethylindoline-2-carboxamide 1103515-68-9
N-ethyl-1-(2-(ethylthio)benzoyl)indoline-2-carboxamide 1103515-70-3
N1-(4-methoxyphenyl)indoline-1,2-dicarboxamide 1103516-51-3
N2-methyl-N1-(3,4,5-trimethoxyphenyl)indoline-1,2-dicarboxamide 1101640-87-2
(Z)-3-(benzo[d][1,3]dioxol-5-yl)-1-(4-(3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)prop-2-en-1-one 942012-92-2
(Z)-3-(4-nitrophenyl)-1-(4-(3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)prop-2-en-1-one 941887-53-2
(5-nitrofuran-2-yl)(4-(3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)methanone 941919-74-0
ethyl 4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazine-1-carboxylate 920389-02-2
3-(3-methoxyphenyl)-7-[4-(2-thienylcarbonyl)piperazin-1-yl]-3H-[1,2,3]triazolo[4,5-d]pyrimidine 1005307-06-1
(4-(3-benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)(p-tolyl)methanone 1005307-15-2
4-(4-(3-benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazine-1-carbonyl)-N,N-dimethylbenzenesulfonamide 920163-45-7
3-(3-methoxyphenyl)-7-(4-((4-nitrophenyl)sulfonyl)piperazin-1-yl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine 941887-83-8
N-cyclohexyl-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899973-46-7
N-(2-ethoxyphenyl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899742-83-7
N-(benzo[d][1,3]dioxol-5-yl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 941978-97-8
N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899977-17-4
1-(2-hydroxyethyl)-4-((pyridin-3-ylmethyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 941979-00-6
1-(2-hydroxyethyl)-4-((3-(trifluoromethyl)benzyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 920164-86-9
1-(2-hydroxyethyl)-4-((pyridin-4-ylmethyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 941979-06-2
N-benzyl-2-((1-(2-hydroxyethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 941888-04-6
1-(2-hydroxyethyl)-4-((pyridin-3-ylmethyl)thio)-5,6,7,8-tetrahydroquinazolin-2(1H)-one 899743-01-2
1-(2-hydroxyethyl)-4-((2-(indolin-1-yl)-2-oxoethyl)thio)-5,6,7,8-tetrahydroquinazolin-2(1H)-one 899977-32-3
N-methyl-3-amino-3-methyl-butyramide 128131-05-5
2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(3-methoxyphenyl)acetamide 899977-40-3
2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(4-methoxyphenyl)acetamide 899973-79-6
N-(4-fluorobenzyl)-2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899973-82-1
N-(3-fluorophenyl)-2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 941979-30-2