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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-Bromo-3-hydroxy-1-methylpyridin-2-one 1706752-65-9
Methyl 1-(1-aminocyclopropyl)cyclopropane-1-carboxylate 1780091-64-6
1'-[(tert-Butoxycarbonyl)amino]-1,1'-bi(cyclopropyl)-1-carboxylic acid 1784118-69-9
2-(4-Amino-1-methylpyrrolidin-3-yl)phenol 1781920-90-8
[1-(3-BRomophenyl)piperidin-4-yl]methanol 1296224-89-9
N-[2-(4-bromophenyl)ethyl]oxolan-3-amine 1782781-55-8
tert-butyl 8-ethyl-6-hydroxy-3,4-dihydro-1H-isoquinoline-2-carboxylate 1579518-79-8
1-(1-Methylpiperidin-3-yl)pyrrolidin-3-ol 1554346-17-6
Methyl 1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline-5-carboxylate 1246167-37-2
tert-butyl 8-cyano-6-(hydroxymethyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate 1579519-00-8
5-bromo-2,3-dihydro-1H-pyrrolizine-7-carboxylic acid 1781708-89-1
methyl 5-bromo-2,3-dihydro-1H-pyrrolizine-7-carboxylate 1783330-05-1
Ethyl 4-iso-butoxy-2-methylbenzoylformate 1369416-07-8
1-Tert-butyl 4-methyl 4-formylpiperidine-1,4-dicarboxylate 1270140-93-6
Tert-butyl 5-hydroxy-9-oxa-2-azaspiro[5.5]undecane-2-carboxylate 1781774-81-9
Methyl 4-bromo-5-formylfuran-2-carboxylate 441016-56-4
Methyl 4-bromo-5-formyl-1H-pyrrole-2-carboxylate 1639158-83-0
3-Amino-7-bromo-1-benzothiophene-2-carboxylic acid 1780193-19-2
Tert-butyl 2-(3-amino-1-methoxy-1-oxopropan-2-yl)pyrrolidine-1-carboxylate 1780025-06-0
Methyl 4-chloro-5-cyano-2-thiophenecarboxylate 1784334-36-6
1-(1-Methylpyrrolidin-3-yl)piperidin-4-ol 1545506-52-2
1-(1-Methylpyrrolidin-3-yl)piperidin-3-ol 1555437-59-6
4-Bromo-5-cyanofuran-2-carboxylic acid 1403565-25-2
5-Bromo-1-methyl-1H-imidazole-4-carbonitrile 1669415-69-3
8-Amino-6-azaspiro[3.4]octan-5-one 1546502-59-3
4-Chloro-1H-pyrazolo[4,3-c]pyridin-3-ol 1446413-32-6
7-Amino-5-methyl-5-azaspiro[2.4]heptan-4-one 1556971-17-5
3-Bromoisoxazolo[4,5-C]pyridine 1783315-74-1
3-(((Trifluoromethyl)sulfonyl)methyl)azetidine 1516799-55-5
Ethyl 7-cyano-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylate 1784119-83-0
4-(3-Bromophenyl)-3-pyridinecarboxylic acid 773872-66-5
Methyl2-(4-aminopyrimidin-5-yl)acetate 1782271-75-3
2-(2-Cyclopropylcyclopropyl)ethan-1-amine 1554651-92-1
Bicyclo[4.1.0]heptan-2-ylmethanamine 1543311-07-4
1-{5-Methyl-5-azaspiro[2.3]hexan-1-yl}methanamine 1547048-33-8
2-Ethyl-2-methylpyrrolidin-3-one 1558275-78-7
(2-Cyclopropyl-2-methoxyethyl)(methyl)amine 1558275-85-6
N-Methyl-1-(6-methylpyrazin-2-yl)methanamine 1557579-03-9
2-[(1,5-dimethyl-1H-pyrazol-3-yl)oxy]acetic acid 1782272-28-9
2-[(1-methyl-1H-pyrazol-3-yl)oxy]ethan-1-amine 1784120-24-6
6-Amino-3-thiabicyclo[3.1.0]hexane 3,3-dioxide 1781721-30-9
1-{Pyrazolo[1,5-a]pyridin-2-yl}ethan-1-amine 1553911-72-0
(2-Cyclobutylphenyl)methanamine 1557581-74-4
3-(Oxetan-3-yl)benzaldehyde 1556126-15-8
2-(1,5-dimethyl-1H-pyrazol-4-yl)-2-methoxypropan-1-amine 1554228-96-4
ethyl (2R)-2-amino-4-hydroxybutanoate 1689930-88-8
1-methyl-6-[(piperidin-4-yl)methyl]-1H-indole 1781204-23-6
6-Octen-1-yn-3-ol, 3,7-dimethyl-4-(1-methylethenyl)-, 3-acetate 66438-81-1
1-(4-Cyclopropylpyridin-3-yl)-N-methylmethanamine 1554649-54-5
2-(2-Methoxy-4-methylphenyl)acetaldehyde 1547041-24-6

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