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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
1,2-Bis(trifluoromethyl)-3-(difluoromethoxy)-6-nitrobenzene 1807102-91-5
1,2-Bis(trifluoromethyl)-4-chloro-5-(difluoromethoxy)benzene 1807028-26-7
1-Bromo-2-fluoro-3-fluoromethyl-4-nitrobenzene 1805531-99-0
1-Dimethylamino-4-fluoromethyl-2-(trifluoromethoxy)benzene 1804518-39-5
1-Fluoromethoxy-3-nitro-4-(trifluoromethoxy)benzene 1803769-29-0
1-Dimethylamino-2-trifluoromethoxy-6-(trifluoromethylthio)benzene 1806351-64-3
1-Nitro-2-trifluoromethoxy-5-(trifluoromethylthio)benzene 1803843-32-4
1-Difluoromethoxy-2,5-dimethoxy-4-fluorobenzene 1806302-91-9
1-Dimethylamino-2-trifluoromethoxy-5-(trifluoromethylthio)benzene 1803851-92-4
2-(2,3,6-Trichlorophenyl)-6-(trifluoromethyl)nicotinonitrile 1361477-77-1
2-(2,3-Dichlorophenyl)-6-methyl-3-nitropyridine 1361841-05-5
2-(2,3-Difluorophenyl)-3-methoxy-4-(trifluoromethyl)pyridine 1261877-54-6
2-(2,3-Difluorophenyl)-4-iodo-6-(trifluoromethyl)pyridine 1261838-88-3
1-Chloro-3-(3-chloropropyl)-2-(difluoromethoxy)benzene 1805732-72-2
1-Dimethylamino-5-ethoxy-2-(trifluoromethoxy)benzene 1803811-76-8
1-Fluoromethyl-3-nitro-2-(trifluoromethoxy)benzene 1804053-55-1
2-(2,4-Dichlorophenyl)-4-(trifluoromethyl)pyridine-3-acetonitrile 1361879-05-1
1-Chloro-3-(3-chloropropyl)-5-(trifluoromethoxy)benzene 1803864-96-1
2-(2,3,5-Trichlorophenyl)-5-(trifluoromethyl)pyridine-3-acetic acid 1361594-09-3
2-(2,4-Dichlorophenyl)pyridine-5-acetic acid 1361742-53-1
2-(2,5-Dichlorophenyl)-3-methylisonicotinic acid 1361863-90-2
2-(2,3,6-Trichlorophenyl)pyridine-4-acetic acid 1361579-81-8
2-(2,3-Dichlorophenyl)-6-(trifluoromethyl)pyridine-3-acetonitrile 1361783-77-8
2-(2,5-Dichlorophenyl)-6-methylpyridine-3-acetonitrile 1361766-17-7
2-(2,3-Difluorophenyl)-6-(trifluoromethyl)isonicotinaldehyde 1261561-27-6
2-(2,3,6-Trichlorophenyl)-6-(trifluoromethyl)nicotinamide 1361540-57-9
N-(Pyrrolidin-3-yl)-4-(trifluoromethyl)benzamide hydrochloride 1840303-12-9
2-Fluoro-N-(pyrrolidin-3-yl)benzamide hydrochloride 1836492-42-2
2-bromo-N-methyl-N-(pent-4-en-1-yl)acetamide 1598354-16-5
3-bromo-N-methyl-N-(pent-4-en-1-yl)propanamide 1595583-15-5
4-(Dimethylamino)-1-((trifluoromethyl)sulfonyl)pyridin-1-ium trifluoromethanesulfonate 1801855-06-0
4-[3-(methoxymethyl)-4H-1,2,4-triazol-5-yl]aniline hydrochloride 1630201-90-9
D-azidotyrosine tert-butyl ether CHA salt 1286671-03-1
D-azidotryptophan CHA salt 1286670-94-7
Sodium 4-ethoxybenzene-1-sulfinate 111243-34-6
Sodium 3-(pyrrolidine-1-sulfonyl)benzene-1-sulfinate 1499788-78-1
methyl (3S)-3-amino-3-(naphthalen-1-yl)propanoate hydrochloride 1245606-67-0
(1R)-7-methyl-1,2,3,4-tetrahydronaphthalen-1-amine hydrochloride 731859-03-3
2-Bromo-5-(2-methylbutan-2-yl)-1,3,4-oxadiazole 1603099-28-0
4-Aminobut-2-enoic acid hydrochloride 129564-38-1
N-Methyl-N-[4-(4-methylpiperazin-1-yl)benzyl]amine dihydrochloride 1984146-44-2
Sodium 1-(2-pyridin-2-ylethyl)piperidine-4-carboxylate 1993128-65-6
Formic acid-1,3-dimethyl-5-(2-oxo-2-piperazin-1-ylethyl)imidazolidine-2,4-dione (1:1) 1922672-09-0
N-(4-Chlorobenzyl)-N-methylpiperidin-4-amine dihydrochloride 1988082-93-4
2-(1-Fluorocyclobutyl)ethan-1-amine hydrochloride 1803599-36-1
8-Methoxy-2,3,4,5-tetrahydro-1,4-benzoxazepine hydrochloride 1803591-26-5
2-(2-Ethylmorpholin-4-yl)butanoic acid hydrochloride 1803571-01-8
(2S)-2-{[1-(2-fluorophenyl)ethyl]amino}-3-methylbutan-1-ol hydrochloride 1807941-77-0
2-[Benzyl(methyl)amino]butanoic acid hydrochloride 1803560-77-1
3-(Methylamino)-4-phenylbutan-1-ol hydrochloride 1803610-35-6

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