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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
1-Methyl-3-{4-[6-(trifluoromethyl)pyrimidin-4-yl]piperazin-1-yl}-1,2-dihydropyrazin-2-one 2097892-47-0
4-{4-[6-(Trifluoromethyl)pyrimidin-4-yl]piperazin-1-yl}-5,6,7,8-tetrahydroquinazoline 2034538-29-7
5-methyl-N-(2-methyl-3-oxo-2,3,5,6,7,8-hexahydrocinnolin-6-yl)pyrazine-2-carboxamide 2097858-20-1
1-methyl-N-{[3-(5-methyl-1,2-oxazol-3-yl)-1,2,4-oxadiazol-5-yl]methyl}-2-(propan-2-yl)-1H-imidazole-4-sulfonamide 2097860-21-2
5-chloro-N-{[3-(5-methyl-1,2-oxazol-3-yl)-1,2,4-oxadiazol-5-yl]methyl}pyrimidin-2-amine 2097883-81-1
N,N-dimethyl-6-(4-{3-methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}piperazine-1-carbonyl)pyridazin-3-amine 2034331-46-7
2-Methyl-4-(4-{3-methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}piperazin-1-yl)pyrimidine 2034310-39-7
N-[1-(5,6,7,8-tetrahydrocinnolin-3-yl)piperidin-4-yl]-3,4-dihydro-1H-2-benzopyran-1-carboxamide 2097858-81-4
5-fluoro-N-[1-(5,6,7,8-tetrahydrocinnolin-3-yl)piperidin-4-yl]pyrimidin-2-amine 2097925-16-9
N-{[6-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}cyclopropanecarboxamide 2097911-83-4
N-{[6-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}cyclopentanecarboxamide 2034331-71-8
4-methoxy-N-{[6-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}pyrimidin-2-amine 2097911-86-7
1-[1-(5-bromopyrimidin-2-yl)pyrrolidin-3-yl]-1H-1,3-benzodiazole 2097926-86-6
N-{[7-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}cyclobutanecarboxamide 2034531-12-7
6-(dimethylamino)-N-[2-(4-oxo-3,4-dihydro-1,2,3-benzotriazin-3-yl)ethyl]pyridazine-3-carboxamide 2034517-93-4
3-(benzyloxy)-N-[(oxan-4-yl)(thiophen-2-yl)methyl]benzamide 2097893-13-3
2-ethyl-N-[(oxan-4-yl)(thiophen-2-yl)methyl]-1,3-benzothiazole-6-carboxamide 2097898-87-6
3-(3-methoxyphenyl)-1-methyl-N-[(oxan-4-yl)(thiophen-2-yl)methyl]-1H-pyrazole-5-carboxamide 2097921-87-2
3-(methylsulfanyl)-N-[(oxan-4-yl)(thiophen-2-yl)methyl]benzamide 2097890-18-9
1-[3-({5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidin-1-yl]-3-phenylpropan-1-one 2097863-18-6
1-(2-Methoxybenzoyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine 2097893-22-4
2-(4-Fluorophenoxy)-1-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidin-1-yl]ethan-1-one 2097923-01-6
1-[3-({5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidin-1-yl]-3-(phenylsulfanyl)propan-1-one 2097922-22-8
2-[(4-Fluorophenyl)sulfanyl]-1-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidin-1-yl]ethan-1-one 2097912-80-4
1-(5-Fluoro-1-benzothiophene-2-carbonyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine 2097921-26-9
3-Bromo-5-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine-1-carbonyl]pyridine 2097858-99-4
1-(2,6-Difluorobenzoyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine 2097912-89-3
1-Ethyl-7-methyl-3-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine-1-carbonyl]-1,4-dihydro-1,8-naphthyridin-4-one 2097927-08-5
2,4-Dimethyl-5-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine-1-carbonyl]-1,3-thiazole 2097859-05-5
1-(2-Bromobenzoyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine 2097888-15-6
2-{4-[3-({5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine-1-carbonyl]phenoxy}-1,3-thiazole 2097871-96-8
1-{3-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine-1-carbonyl]phenyl}-1H-pyrazole 2097897-23-7
3-({5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)-1-[2-(trifluoromethyl)benzenesulfonyl]azetidine 2097921-28-1
2,2-dimethyl-N-{[1-(thiophen-2-yl)-1H-1,2,3-triazol-4-yl]methyl}propanamide 2097895-57-1
(2E)-1-[4-(1,2,5-thiadiazol-3-yloxy)piperidin-1-yl]-3-(thiophen-2-yl)prop-2-en-1-one 2097941-21-2
N,N-dimethyl-4-[4-(1,2,5-thiadiazol-3-yloxy)piperidine-1-carbonyl]benzene-1-sulfonamide 2097904-34-0
1-(3-Fluoro-4-methoxybenzoyl)-4-(1,2,5-thiadiazol-3-yloxy)piperidine 2097921-31-6
1-(2,3-Dihydro-1,4-benzodioxine-6-sulfonyl)-4-(1,2,5-thiadiazol-3-yloxy)piperidine 2097923-43-6
1-(3-Chloro-4-methoxybenzenesulfonyl)-4-(1,2,5-thiadiazol-3-yloxy)piperidine 2097897-73-7
3-{[2,4'-Bipyridine]-5-yl}-1-(2-phenylethyl)urea 2097927-26-7
3-{[2,4'-Bipyridine]-5-yl}-1-[(naphthalen-1-yl)methyl]urea 2034337-26-1
3-{[2,4'-Bipyridine]-5-yl}-1-(2-methylphenyl)urea 2034463-92-6
1-{3-Cyclopropylidene-8-azabicyclo[3.2.1]octan-8-yl}-3-phenylpropan-1-one 2195941-38-7
1-{3-Cyclopropylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-(3-methylphenyl)ethan-1-one 2195879-19-5
1-{3-Cyclopropylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-(4-fluorophenyl)ethan-1-one 2195941-03-6
8-(2-Chloro-4-fluorobenzoyl)-3-cyclopropylidene-8-azabicyclo[3.2.1]octane 2189498-18-6
5-{3-cyclopropylidene-8-azabicyclo[3.2.1]octane-8-carbonyl}-1H-indole 2178771-06-5
8-(4-Tert-butylbenzoyl)-3-cyclopropylidene-8-azabicyclo[3.2.1]octane 2191266-48-3
8-(1-Benzothiophene-2-carbonyl)-3-cyclopropylidene-8-azabicyclo[3.2.1]octane 2191213-09-7
3-Cyclopropylidene-8-(4-fluorobenzenesulfonyl)-8-azabicyclo[3.2.1]octane 2194843-22-4

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