CAS Number Index

A CAS Registry Number,also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.（information coming from wikipedia.org)

Name CAS Number
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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