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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-((5-(4-(2-(2-fluorophenoxy)acetyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1203391-07-4
N-(furan-2-ylmethyl)-2-((5-(4-(2-(thiophen-2-yl)acetyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)acetamide 1207028-29-2
2-((5-(4-(2-(1H-indol-3-yl)acetyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1207058-23-8
2-((5-(4-(2-(benzo[d]isoxazol-3-yl)acetyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1206988-95-5
2-((5-(4-(2-(1H-benzo[d]imidazol-1-yl)acetyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1207029-74-0
2-((5-(4-(2-cyclopentylacetyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1207018-14-1
2-((5-(4-(4-(tert-butyl)benzoyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1207028-31-6
N-(furan-2-ylmethyl)-2-((5-(4-(3-methoxybenzoyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)acetamide 1207022-56-7
2-((5-(4-(3-chlorobenzoyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1206989-06-1
N-(furan-2-ylmethyl)-2-((5-(4-(3-nitrobenzoyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)acetamide 1203378-79-3
2-((5-(4-(1-naphthoyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1203281-97-3
(E)-2-((5-(4-cinnamoylpiperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide 1207061-92-4
2-((5-(4-(2-chloro-4-fluorobenzoyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(2-methoxyethyl)acetamide 1203067-25-7
1-(6-(furan-2-yl)pyridazin-3-yl)-N-(pyridin-4-yl)piperidine-3-carboxamide 1202995-50-3
1-[6-(furan-2-yl)pyridazin-3-yl]-N-(1,3-thiazol-2-yl)piperidine-3-carboxamide 1203301-81-8
N-cyclopentyl-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-3-carboxamide 1203043-33-7
(1-(6-(2-Methoxyphenyl)pyridazin-3-yl)piperidin-4-yl)(2-methylindolin-1-yl)methanone 1203155-91-2
(2-Methylindolin-1-yl)(1-(6-(o-tolyl)pyridazin-3-yl)piperidin-4-yl)methanone 1203135-93-6
(6-fluoro-2-methyl-3,4-dihydroquinolin-1(2H)-yl)(1-(6-(o-tolyl)pyridazin-3-yl)piperidin-4-yl)methanone 1203043-24-6
1-Cyclohexyl-3-(1-isobutyryl-1,2,3,4-tetrahydroquinolin-7-yl)urea 1203309-80-1
1-Cyclohexyl-3-(1-propionyl-1,2,3,4-tetrahydroquinolin-7-yl)urea 1203118-21-1
1-Cyclohexyl-3-(1-(propylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)urea 1203312-73-5
1-Cyclohexyl-3-(1-propionyl-1,2,3,4-tetrahydroquinolin-6-yl)urea 1203097-40-8
1-(2-(1-Methyl-1,2,3,4-tetrahydroquinolin-6-yl)-2-(pyrrolidin-1-yl)ethyl)-3-(thiophen-2-ylmethyl)urea 1203188-32-2
1-(11-Oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-phenylurea 1203386-49-5
1-Cyclohexyl-3-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203172-25-1
1-Benzyl-3-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203415-82-0
1-(3,4-Dimethoxyphenyl)-3-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203006-07-8
1-(10-Methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-(3,4,5-trimethoxyphenyl)urea 1203112-47-3
1-(10-Methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-phenylurea 1202976-44-0
1-(4-Fluorophenyl)-3-(10-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203122-53-5
1-(3,5-Dimethoxyphenyl)-3-(10-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203067-74-6
1-{9-Methyl-10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}-3-[(thiophen-2-yl)methyl]urea 1203401-98-2
1-(10-Methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-phenethylurea 1203047-48-6
1-(4-Fluorobenzyl)-3-(10-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203121-73-6
1-Benzyl-3-(10-ethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203224-59-2
1-(Benzo[d][1,3]dioxol-5-yl)-3-(10-ethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203031-57-5
1-(3,4-Dimethoxybenzyl)-3-(10-ethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203214-41-8
1-(3,4-Dimethoxyphenyl)-3-(10-ethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203080-58-3
1-(Tert-butyl)-3-(8-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203187-79-4
1-(4-Methoxyphenyl)-3-(8-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203287-78-8
1-(Benzo[d][1,3]dioxol-5-yl)-3-(8-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203132-57-3
1-(8-Methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-(thiophen-2-ylmethyl)urea 1203352-86-6
1-(8,10-Dimethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-(3-methoxyphenyl)urea 1203216-91-4
1-(8,10-Dimethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)-3-(thiophen-2-yl)urea 1203148-02-0
1-(2,3-Dimethoxyphenyl)-3-(8,10-dimethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea 1203359-26-5
ethyl 4-(2-(2-(1-methyl-2-oxo-1,2-dihydropyridin-3-yl)-1H-benzo[d]imidazol-1-yl)acetyl)piperazine-1-carboxylate 1207002-00-3
2-methoxy-1-(4-(2-methyl-6-(1H-pyrazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)ethanone 1203153-77-8
1-(4-(2-methyl-6-(1H-pyrazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)-2-phenoxypropan-1-one 1203044-65-8
2-(4-chlorophenoxy)-1-(4-(6-(3,5-dimethyl-1H-pyrazol-1-yl)-2-methylpyrimidin-4-yl)piperazin-1-yl)ethanone 1203067-33-7