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-Ethenylcyclobutaneethanol 1138246-44-2
(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)hydrazine hydrochloride 918792-69-5
(2,4-Difluoropyridin-3-yl)boronic acid 1353756-61-2
3-Oxo-3-piperazine-1-ylpropane-1-ol hydrochloride 884535-10-8
4-(2-Hydroxypropyl)benzonitrile 1512868-93-7
4-(4-Nitro-3-trifluoromethyl-phenoxy)-piperidine hydrochloride 1247029-38-4
3-Tert-butyl-4-diethylaminophenylboronic acid 895542-83-3
4-Diethylamino-3-methylphenylboronic acid 895542-98-0
4-Piperidinebutanoic acid, methyl ester, hydrochloride 179689-05-5
(5-Nitro-pyridin-2-yl)-piperidin-4-yl-amine dihydrochloride 1247029-89-5
4-(3-Methoxy-4-nitro-phenoxy)-piperidine hydrochloride 1247040-84-1
6-bromo-4-(4-methoxyphenyl)phthalazin-1(2H)-one 1309196-17-5
1-Methanesulfonylpiperidine-3-sulfonamide 1249811-80-0
1-(3-Bromopropyl)-4-isobutylpiperazine 1342593-72-9
3-(5-{[4-(2-Methylpropyl)piperazin-1-yl]methyl}thiophen-3-yl)prop-2-yn-1-ol 1466286-34-9
2-(1-methyl-1H-1,2,4-triazol-5-yl)-2-phenylethan-1-amine 1339483-43-0
2-Bromo-N-(2,3-dichlorophenyl)butanamide 1343846-19-4
3-[(2r)-Pyrrolidin-2-yl]propan-1-ol hydrochloride 863615-12-7
4-(3-Aminopropyl)morpholine-3,5-dione hydrochloride 637015-67-9
2-(7-Oxabicyclo[2.2.1]heptan-1-yl)propanoic acid 874204-47-4
((S)-1-{(S)-2-[4-(4'-{[6-((2R,5S)-2,5-Dimethyl-piperazin-1-yl)-pyridine-3-carbonyl]-amino}-2'-trifluoromethoxy-biphenyl-4-yl)-1H-imidazol-2-yl]-pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester 1374891-80-1
5-(4-Bromophenyl)-2-(2-pyrrolidinyl)-1H-imidazole hydrochloride 2204562-21-8
(2S,5R)-4-[5-(4'-{2-[(S)-1-((S)-2-methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-1H-imidazol-4-yl}-2-trifluoromethoxy-biphenyl-4-ylcarbamoyl)-pyridin-2-yl]-2,5-dimethyl-piperazine-1-carboxylic acid tert-butyl ester 1374892-68-8
2-Methoxy-6-(3-methyl-butyl)-isonicotinic acid 1262413-89-7
5-Bromo-4-(bromomethyl)-1-(tert-butyl)-1H-pyrazole 1374257-83-6
3-chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid 1374258-78-2
1-(Methylamino)isoquinoline-7-carboxylic acid 1374258-62-4
3-bromo-4-(chloromethyl)-1-tert-pentyl-1H-pyrazole 1374258-16-8
Methyl 2-(4-piperidinyl)cyclopropanecarboxylate 1016980-51-0
5-(chloromethyl)-1-trityl-1H-1,2,4-triazole 1280199-45-2
N-methyl-N-[(5-methyl-1,2,4-oxadiazol-3-yl)methyl]pyrrolidin-3-amine 1339001-25-0
1,1-Dimethyl-1h-isoindol-3-amine 854694-37-4
1-(2,3-Difluorobenzyl)cyclopropane-1-carboxylic acid 1525912-38-2
{1-[(2-Chloro-6-fluorophenyl)methyl]cyclopropyl}methanamine 1368949-42-1
1-[(2-Bromo-5-fluorophenyl)methyl]cyclopropan-1-amine 1494509-77-1
3-(5-Chlorothiophen-2-yl)-2,2-dimethylpropan-1-ol 1477683-92-3
1-[(5-Fluoro-2-nitrophenyl)methyl]cyclopropane-1-carboxylic acid 1493419-76-3
(1-(2-Methylbutyl)cyclopropyl)methanamine 1484373-17-2
3-bromo-1-methyl-1H-pyrrolo[3,2-c]pyridine-6-carboxylic acid 1324003-03-3
3H-Imidazo[4,5-b]pyridine-6-carboxylic acid, 2-[(2,6-dichlorophenyl)amino]-, ethyl ester 1218943-65-7
5-Amino-2-(trifluoromethoxy)-3-pyridinecarboxylic acid 1221172-09-3
5-Fluoro-2-(2-methoxyethoxy)benzonitrile 1343107-12-9
Benzyl 1-methyl-2-azaadamantane-2-carboxylate 872598-46-4
2-Fluoro-4,6-dimethyldibenzo[b,d]furan 1055331-42-4
2-(4-(1-Methylpiperidin-4-yl)piperazin-1-yl)ethan-1-ol 2098075-10-4
3-Amino-3-(3,4,5-trifluorophenyl)propanoic acid 682803-70-9
Methyl 3-amino-3-(3,4,5-trifluorophenyl)propanoate 1310136-57-2
1-Bromo-2-methyl-5-(propan-2-yloxy)pentane 1343090-59-4
Ethyl 4-(3-methoxypropoxy)benzofuran-6-carboxylate 1093090-61-9
(3-Bromo-4-cyclopropylmethoxyphenyl)methanol 1254062-54-8

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