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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-(3-(Bromomethyl)-4-(trifluoromethylthio)phenyl)-3-chloropropan-2-one 1806549-22-3
1-(3-Chloropropyl)-3-ethoxy-2-(trifluoromethylthio)benzene 1806611-74-4
1-(4-Amino-2-cyanophenyl)-3-bromopropan-2-one 1804220-65-2
1-(3-(Difluoromethoxy)-5-(trifluoromethylthio)phenyl)propan-1-one 1805877-34-2
1-(2-Nitro-6-(trifluoromethylthio)phenyl)propan-1-one 1806463-00-2
4-Cyano-2-(difluoromethyl)-6-methylpyridine-3-methanol 1805022-33-6
1-(3-Ethoxy-4-(trifluoromethylthio)phenyl)propan-1-one 1804283-20-2
1-(3-(Bromomethyl)-2-(trifluoromethyl)phenyl)-3-chloropropan-1-one 1804232-60-7
Methyl 1-(methylamino)cyclopentanecarboxylate 4-toluenesulfonate 1628853-81-5
1-(3-(Chloromethyl)-5-(difluoromethyl)phenyl)propan-1-one 1803710-96-4
1-(4-Amino-2-hydroxyphenyl)-1-bromopropan-2-one 1803863-96-8
2',3'-Dibromo-4'-fluorophenacyl chloride 1806355-41-8
2-(Chloromethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid 1805189-45-0
2-(Chloromethyl)-6-cyano-3-(difluoromethyl)-5-hydroxypyridine 1805358-68-2
2-(Chloromethyl)-6-(difluoromethyl)-3-hydroxy-4-nitropyridine 1806943-64-5
2-(Chloromethyl)-6-(difluoromethyl)-4-methyl-3-nitropyridine 1805623-90-8
3-Chloroprop-2-ene-1-sulfonamide 152498-38-9
2-Chloro-1-(oxolan-3-yl)ethan-1-ol 1592254-61-9
1-[1-(Oxetan-3-yloxy)cyclohexyl]methanamine 1593436-15-7
4-(2,2-Dimethylthiomorpholin-4-yl)butan-2-one 1600592-31-1
tert-butyl N-[2-(ethoxyamino)ethyl]carbamate 1565056-68-9
N-Cyclopropyl-5,6-dimethyl-1,2,4-triazin-3-amine 1599766-87-6
Methyl 5-chloro-2-(5-(hydroxymethyl)-3-methylisoxazol-4-yl)benzoate 1505453-60-0
2-Amino-6-bromo-3-methoxybenzaldehyde 1601891-31-9
1-Cyclopropyl-3-(pyrimidin-2-yl)propane-1,3-dione 1602803-85-9
3-(1-ethyl-1H-pyrazol-5-yl)-2-oxopropanoic acid 1597318-66-5
[(2-Bromo-6-fluorophenyl)methyl](ethyl)amine 1595525-91-9
1-[[1-(2-Ethylphenyl)-5-oxo-3-pyrrolidinyl]carbonyl]-3-piperidinecarboxylic acid 1211486-23-5
1-[3-(Benzyloxy)phenyl]cyclopropan-1-amine 1314761-52-8
Methyl 3-ethyl-3-(3-fluorophenyl)oxirane-2-carboxylate 1603002-66-9
Benzene, 1-(2-bromo-1-ethylpentyl)-3-fluoro- 1593887-98-9
4-(3-Fluorophenyl)-3-methylazetidin-2-one 1597289-34-3
1-[1-(2-Methanesulfonylphenyl)cyclopropyl]ethan-1-amine 1892143-56-4
3-Bromo-4-chloro-5-fluorobenzyl alcohol 1897916-27-6
(4-Bromo-2-chloro-3-fluorophenyl)methanol 1891698-71-7
O-{2-[2-chloro-5-(trifluoromethyl)phenyl]ethyl}hydroxylamine 1891580-01-0
O-{2-[2-chloro-6-(trifluoromethyl)phenyl]ethyl}hydroxylamine 1897075-93-2
1-(4-(Aminomethyl)piperidin-1-yl)-3-methylpentan-1-one 1601096-48-3
6-chloro-8-(isocyanatomethyl)-3,4-dihydro-2H-1,5-benzodioxepine 2649035-09-4
1-(3-Methylpentanoyl)piperidine-4-carboxylic acid 1603611-59-1
1-(3-Methylpentanoyl)piperidine-3-carboxylic acid 1595943-75-1
1-(3-Methylpentanoyl)pyrrolidine-3-carboxylic acid 1595900-67-6
1-(3-Methylpentanoyl)azetidine-3-carboxylic acid 1602931-47-4
(4-(Aminomethyl)piperidin-1-yl)(5-fluoropyridin-3-yl)methanone 1589272-50-3
3-(3-Bromothiophen-2-yl)-1,1,1-trifluoropropan-2-amine 1602974-95-7
1,5-Dimethyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-amine 1600150-05-7
3-(5-Chloro-2-fluorophenyl)-5-methylisoxazole-4-carboxylic acid 943531-11-1
3-(4-Chloro-2-fluorophenyl)-5-methylisoxazole-4-carboxylic acid 1778948-18-7
2-Azido-4-bromobenzonitrile 1597923-15-3
5-(3-Fluorophenyl)-1,3,4-oxadiazole-2-carbonitrile 68496-64-0

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