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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
5-Chloro-6-[3-(4,4-difluoropiperidine-1-carbonyl)pyrrolidin-1-yl]pyridine-3-carbonitrile 2877681-28-0
5-Ethynyl-2,4-difluoropyridine 2803864-31-3
6-[3-(Pyrrolidine-1-carbonyl)azetidin-1-yl]pyridine-3-carbonitrile 2877641-60-4
4-[1-(5-Bromopyrimidin-2-yl)pyrrolidine-3-carbonyl]thiomorpholine 2877639-62-6
3-{3-[(1,3-Thiazol-2-yloxy)methyl]piperidin-1-yl}pyridine-4-carbonitrile 2877682-26-1
5-Bromo-2-[3-(pyrrolidine-1-carbonyl)azetidin-1-yl]pyridine-3-carbonitrile 2877639-56-8
3,3-Dimethyl-2-phenylbutan-2-aminehydrochloride 105254-04-4
4-{1-[2-Methyl-6-(trifluoromethyl)pyrimidin-4-yl]piperidine-4-carbonyl}morpholine 2877634-60-9
4-[1-(5-Tert-butyl-1,3,4-thiadiazol-2-yl)piperidine-4-carbonyl]morpholine 2877646-26-7
4-{1-[3-(Trifluoromethyl)pyridin-2-yl]piperidine-4-carbonyl}thiomorpholine 2877750-64-4
4-[1-(6-Tert-butylpyridazin-3-yl)pyrrolidine-3-carbonyl]thiomorpholine 2877629-91-7
4,5-Dimethyl-6-(4-{[(3-methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine 2877630-59-4
3-(1-Benzothiophen-2-yl)-3-methylbutanoic acid 2228770-57-6
4-{1-[2-Methyl-6-(trifluoromethyl)pyrimidin-4-yl]pyrrolidine-3-carbonyl}thiomorpholine 2877641-69-3
4-{[1-(5-Fluoropyrimidin-2-yl)azetidin-3-yl]oxy}pyridine-2-carbonitrile 2877639-73-9
4-[(1-{3-cyano-5H,7H,8H-pyrano[4,3-b]pyridin-2-yl}azetidin-3-yl)oxy]pyridine-2-carbonitrile 2877691-87-5
1-(2,5-Dimethylphenyl)-4-[(1,3,4-oxadiazol-2-yl)methyl]piperazine 2877705-99-0
3-(4-{[(3-Methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)pyrazine-2-carbonitrile 2877641-74-0
2-(4,5,6,7-Tetrahydro-1-benzothiophen-3-yl)ethane-1-thiol 2228636-12-0
N-[1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)piperidin-4-yl]methanesulfonamide 2435434-85-6
2-(3-Methoxy-2-methylphenyl)-2-methyloxirane 2228822-03-3
4,6-Dimethyl-2-(4-{[(3-methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine 2877682-37-4
4-{6-[4-(6-Ethyl-5-fluoropyrimidin-4-yl)piperazin-1-yl]-2-methylpyrimidin-4-yl}morpholine 2877681-38-2
5-Chloro-4,6-dimethyl-2-[4-(morpholine-4-carbonyl)piperidin-1-yl]pyridine-3-carbonitrile 2877630-53-8
N-tert-butyl-1-{thieno[3,2-c]pyridin-4-yl}piperidine-3-carboxamide 2877706-04-0
2-[3-(4,4-Difluoropiperidine-1-carbonyl)pyrrolidin-1-yl]-3-(trifluoromethyl)pyridine 2877645-36-6
4-[1-(5-Tert-butyl-1,3,4-thiadiazol-2-yl)pyrrolidine-3-carbonyl]thiomorpholine 2877706-10-8
(2R)-1-(2,2-dimethylthiolan-3-yl)propan-2-amine 2228000-84-6
2-{[1-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)piperidin-4-yl]methoxy}-3-methylpyrazine 2877641-28-4
2-(4-{[(3-Methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)-4-(trifluoromethyl)pyrimidine 2877634-79-0
4-(4-{[(3-Methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)-6-(trifluoromethyl)pyrimidine 2877634-58-5
4-(Thiomorpholine-4-carbonyl)-[1,3-bipiperidine]-2-one 2877628-82-3
4-{1-[3-(Trifluoromethyl)pyridin-2-yl]pyrrolidine-3-carbonyl}thiomorpholine 2877681-66-6
4-{1-[6-(Trifluoromethyl)pyridin-2-yl]pyrrolidine-3-carbonyl}thiomorpholine 2877634-87-0
4-{1-[2-(Trifluoromethyl)pyridin-4-yl]pyrrolidine-3-carbonyl}thiomorpholine 2877641-34-2
1-(4-Chlorophenyl)-4-[(5-methyl-1,3,4-oxadiazol-2-yl)methyl]piperazine 2877630-68-5
2-{[1-({4H,5H,6H-cyclopenta[d][1,3]thiazol-2-yl}methyl)piperidin-4-yl]methoxy}-3-methylpyrazine 2877665-84-2
N-cyclopropyl-1-[(3-methoxyphenyl)methyl]piperidine-3-carboxamide 2777366-72-8
2-Methyl-3-({1-[(5-methyl-1,2,4-oxadiazol-3-yl)methyl]piperidin-4-yl}methoxy)pyrazine 2877629-49-5
2-Methyl-3-({1-[(3-methyl-1,2,4-oxadiazol-5-yl)methyl]piperidin-4-yl}methoxy)pyrazine 2877641-37-5
N-[1-(2-phenoxyethyl)piperidin-4-yl]cyclobutanecarboxamide 2877681-74-6
Methyl 2-hydroxy-3-(2-methylfuran-3-yl)propanoate 2229499-25-4
4-{1-[(Pyridin-3-yl)methyl]piperidine-4-carbonyl}morpholine 2877750-85-9
N-{1-[2-(methylsulfanyl)pyrimidin-4-yl]piperidin-4-yl}methanesulfonamide 2877687-39-1
2-(4-cyclopropanecarbonyl-1,4-diazepan-1-yl)-N,N-dimethylpyrimidin-4-amine 2877706-11-9
1-Cyclopropanecarbonyl-4-(5-methoxypyrimidin-2-yl)-1,4-diazepane 2877630-87-8
4-[1-(6-Ethyl-5-fluoropyrimidin-4-yl)piperidine-4-carbonyl]morpholine 2877635-12-4
N,N-dimethyl-2-[4-(morpholine-4-carbonyl)piperidin-1-yl]pyrimidin-4-amine 2877634-81-4
4-{1-[2-(Methylsulfanyl)pyrimidin-4-yl]piperidine-4-carbonyl}morpholine 2877750-99-5
4-{1-[6-Methyl-2-(methylsulfanyl)pyrimidin-4-yl]piperidine-4-carbonyl}morpholine 2877630-94-7

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