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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-(2-((1-methyl-1H-pyrazol-5-yl)amino)pyrimidin-4-yl)pyridazin-3(2H)-one 1673546-81-0
Tert-butyl-4-[4-(difluoromethyl)phenyl]-4-formylpiperidine-1-carboxylate 1673527-11-1
Tert-butyl 4-(4-chlorophenyl)-4-(2-oxoethyl)piperidine-1-carboxylate 1673526-90-3
2-(4-(4-Chlorophenyl)piperidin-4-yl)acetonitrile 1673527-01-9
2-(4-Cyclopropyl-3-methylphenoxy)tetrahydro-2h-pyran 1673559-91-5
Tert-butyl 1-(5-fluoro-6-methoxypyridin-3-yl)hydrazine-1-carboxylate 1673555-82-2
6-Methoxy-5-(4-(trifluoromethyl)phenyl)nicotinic acid 1261871-85-5
2-[(2-methylpyrazol-3-yl)amino]-1H-pyrimidin-6-one 1673546-76-3
3-Amino-1-(3,5-dimethoxy-4-methylphenyl)propan-1-one 1895554-50-3
Tert-butyl 3-(5-bromopyridin-2-yl)-3-hydroxypyrrolidine-1-carboxylate 1207758-78-8
(S)-5-(tert-butoxycarbonyl)-1,2,5-triazaspiro[2.4]hept-1-ene-6-carboxylic acid 1266778-55-5
3-(6-Methoxy-1,3-dioxaindan-5-yl)butan-1-amine 1895483-06-3
1-(6-Methoxy-1,3-dioxaindan-5-yl)-2-methylpropan-2-amine 1895421-16-5
US9872852, Example 2 1675201-84-9
2-Benzyl 3-ethyl (3S)-2,8-diazaspiro[4.5]decane-2,3-dicarboxylate 1675970-08-7
1-(2-Fluoro-6-methoxyphenyl)cyclohexan-1-amine 1704115-86-5
1-[1-(5-Fluoro-2-methoxy-4-methylphenyl)cyclopropyl]ethan-1-amine 1895646-56-6
2-[(5-Fluoro-2-methoxy-4-methylphenyl)methyl]pyrrolidine 1895558-91-4
1-(4-Chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)ethanone 1675968-60-1
[1-(5-Fluoro-2-methoxy-4-methylphenyl)cyclobutyl]methanamine 1895408-45-3
N-(1-(6-(trifluoromethyl)pyrimidin-4-yl)piperidin-4-yl)ethanesulfonamide 2034258-17-6
US9872852, Example 203 1675203-85-6
2-(4-((Benzyloxy)carbonyl)piperazin-1-yl)-4-bromobenzoic acid 1675992-26-3
1-[1-(2-Chloro-6-methoxyphenyl)cyclopropyl]ethan-1-amine 1892104-65-2
1-[1-(4-Chloro-2-methoxyphenyl)cyclopropyl]ethan-1-amine 1892273-88-9
1-(2-Chloro-6-methoxyphenyl)cyclopentan-1-amine 1897884-28-4
[1-(2-Chloro-6-methoxyphenyl)cyclobutyl]methanamine 1897285-89-0
N-(2-(3-(pyrazin-2-yl)-1H-pyrazol-1-yl)ethyl)thiophene-3-carboxamide 2034415-11-5
7-Bromobenzo[d][1,3]dioxole-4-carbonitrile 1898014-67-9
4-Bromo-1-(isocyanatomethyl)-2-methylbenzene 2649069-51-0
1-Bromo-3-(isocyanatomethyl)-5-methylbenzene 2649064-42-4
1-Bromo-2-(isocyanatomethyl)-4-methylbenzene 2649071-90-7
3-(2-Bromo-5-methylphenyl)prop-2-en-1-amine 1899172-45-2
3-(3-Bromo-2-methylphenyl)prop-2-en-1-amine 1899058-48-0
5-(2,4-Difluoro-6-methoxyphenyl)-1,2-oxazol-3-amine 1892222-96-6
5-(3,4-Difluoro-2-methoxyphenyl)-1,2-oxazol-3-amine 1891550-58-5
5-(2,6-Difluoro-4-methoxyphenyl)-1,2-oxazol-3-amine 1897133-22-0
3-(4,5-Difluoro-2-methoxyphenyl)-1,2-oxazol-5-amine 1892114-14-5
3-(3,4-Difluoro-2-methoxyphenyl)-1,2-oxazol-5-amine 1892223-03-8
3-Amino-2-(2-hydroxy-5-nitrophenyl)propanoic acid 1897039-06-3
1-(2,5-Difluoro-4-methylphenyl)cyclobutane-1-carboxylic acid 1892114-49-6
4-Amino-5-(difluoromethyl)-3-(trifluoromethoxy)picolinaldehyde 1804371-68-3
4-Cyano-2-(difluoromethoxy)-5-methoxybenzene-1-sulfonyl chloride 1807280-68-7
4-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)picolinic acid 1804782-17-9
4-Cyano-3-(difluoromethyl)-5-methoxypicolinamide 1806008-44-5
4-Cyano-3-(difluoromethyl)-2-methoxybenzoic acid 1805640-72-5
4-Chloro-3-(difluoromethyl)-2-iodo-6-methylpyridine 1806872-97-8
4-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride 1806198-67-3
4-Chloro-6-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine 1804616-41-8
4-Chloro-3-(difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine 1804819-45-1

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