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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
2-(2-chlorophenoxy)-N-((2-(2-fluorophenyl)-4-methylthiazol-5-yl)methyl)propanamide 1421530-61-1
N-[[1-(6-Chloro-5-methylpyridin-3-yl)sulfonylpyrrolidin-3-yl]methyl]-N-methylpropan-1-amine 1436244-65-3
1-[3-(1,3-Thiazol-4-yl)phenyl]ethan-1-one 886853-60-7
N-((3-cyclopentyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-2,4-difluorobenzamide 1421517-47-6
3-[[4-(6-Chloropyridin-3-yl)sulfonylpiperazin-1-yl]methyl]-1,2-oxazole 1436193-43-9
Methyl 4-ethyloxane-4-carboxylate 1443980-49-1
Methyl 6-(aminomethyl)-2-cyclopropylpyridine-3-carboxylate 1444103-40-5
N-But-2-ynyl-6-chloro-N-prop-2-ynylpyridine-3-sulfonamide 1436036-81-5
1-(5-chloro-2-methoxyphenyl)-3-(2-(4-methyl-6-oxopyrimidin-1(6H)-yl)ethyl)urea 1421477-80-6
5-[2-(4-fluorophenyl)-4-methyl-1,3-thiazol-5-yl]-N-[(2-methoxyphenyl)methyl]pyrazolidine-3-carboxamide 1297612-21-5
N-((2-(2-chlorophenyl)-4-methylthiazol-5-yl)methyl)-3-(phenylsulfonyl)propanamide 1448133-36-5
2-(Propan-2-yl)oxolane-3-carboxylic acid 1490063-59-6
5-Ethyl-2-methylbenzenesulfonamide 1773487-94-7
(3R)-3-{[(tert-butoxy)carbonyl]amino}-3-(1-methyl-1H-imidazol-5-yl)propanoic acid 1704969-96-9
(3R)-3-amino-3-(1-methyl-1H-imidazol-5-yl)propanoic acid 1568215-36-0
methyl (3R)-3-amino-3-(1-methyl-1H-imidazol-5-yl)propanoate 1567958-34-2
(3R)-3-amino-3-(1-methyl-1H-imidazol-5-yl)propanamide 1568228-07-8
(3R)-3-{[(tert-butoxy)carbonyl]amino}-3-(1-ethyl-1H-imidazol-5-yl)propanoic acid 1704968-95-5
methyl (3R)-3-amino-3-(1-ethyl-1H-imidazol-5-yl)propanoate 1568242-97-6
Sodium 2,2,3,4,4,4-hexafluorobutyrate 1379358-31-2
2-(1,3-Thiazol-4-ylmethyl)cyclopentan-1-OL 1506915-04-3
3-Methyl-4-(2-methylthiazol-5-yl)butan-2-ol 1518033-20-9
(S)-2-(Pyrrolidin-3-yl)ethan-1-amine 1421118-08-2
3-Cyclohexyl-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-3-carboxylic acid 1502788-08-0
5-(2,3-Dihydro-1-benzofuran-5-yl)pentan-2-ol 1515296-03-3
2-(2-Cyclopropylethyl)cyclohexan-1-ol 1514047-77-8
3-Methyl-4-(pyridin-2-yl)butan-2-ol 169477-98-9
O-[(1-methyl-1H-pyrazol-4-yl)methyl]hydroxylamine 791572-69-5
2-(Aminooxy)propanenitrile 1510417-69-2
2-(methylsulfanyl)-N-(pyrazin-2-yl)pyridine-4-carboxamide 1797856-08-6
3-Methyl-4-(1,3-thiazol-4-yl)butan-2-ol 1511292-80-0
2-amino-2-(5-bromo-1H-indol-3-yl)acetic acid 1270311-06-2
2-(2,2-Difluoroethyl)cyclohexan-1-ol 1511034-03-9
2-(Aminomethyl)-3-methylpentan-1-ol 1351384-72-9
6,6,6-Trifluoro-3-methylhexan-2-ol 1505937-92-7
1-Prop-2-ynylcyclopropane-1-carboxylic acid 1391828-77-5
4-(2-Methylthiazol-5-yl)butan-2-ol 1506952-19-7
2-(Cyclopropylmethyl)cyclopentan-1-ol 1507258-23-2
N-(1-cyano-1-cyclopropylethyl)-2-[(1-methyl-1H-1,2,4-triazol-5-yl)sulfanyl]acetamide 1797677-75-8
4-Cyclopropyl-3-methylbutan-2-ol 1500776-68-0
3-(4-Methylcyclohexyl)butan-2-ol 1537061-06-5
o-((3-Bromothiophen-2-yl)methyl)hydroxylamine 1513335-34-6
1H-Pyrazole, 4-bromo-5-[3-bromo-2-(3-methylphenyl)propyl]-1-ethyl-3-methyl- 1513795-20-4
O-((5-Bromothiophen-2-yl)methyl)hydroxylamine 628703-28-6
4-(1,2,3,4-Tetrahydronaphthalen-1-yl)butan-2-ol 1536846-66-8
1-(4-Ethylcyclohexyl)propan-2-ol 1501890-24-9
4-(2,2-Difluoroethyl)-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-4-carboxylic acid 1519149-94-0
1-[(Pyrimidin-2-yl)methyl]cyclopropane-1-carboxylic acid 1541455-23-5
1-[(6-Methoxypyridin-2-yl)methyl]cyclopropane-1-carboxylic acid 1507041-05-5
2-(3,5-Dimethylcyclohexyl)butanoic acid 1559476-81-1

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