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
2,3-Dichloro-4-(2-fluoro-4-nitrophenoxy)pyridine 1174047-09-6
1-(3-Fluorophenyl)-2-pyrimidin-4-ylethanone 868360-51-4
1-isopropyl-5-nitro-1H-indole 857893-03-9
N-(1,2-Dihydro-4-hydroxy-2-oxo-3-quinolinyl)nonanamide 184536-29-6
4-hydroxy-3-[1-(4-methoxyphenyl)-2-nitroethyl]-6-methyl-2H-pyran-2-one 315697-50-8
methyl 2-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy]acetate 1171885-29-2
(S)-tert-butyl 2-carbamoyl-4-methylenepyrrolidine-1-carboxylate 1292838-06-2
3-(6-Chloro-2-pyrazinyl)-7-methoxyimidazo[1,2-a]pyridine 1233087-96-1
4-hydroxy-N-(3-methoxyphenyl)-2-oxo-1,2-dihydroquinoline-3-carboxamide 302922-43-6
3-(4-chlorobenzyl)-1-(3,3-diethoxypropyl)-4-hydroxy-2(1H)-pyridinone 477856-26-1
N1-(4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)-N2-isopropyloxalamide 384800-10-6
2,2'-((9H-Fluorene-9,9-diyl)bis(4,1-phenylene))bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 373502-69-3
3-(2,4-dichlorobenzyl)-4-hydroxy-1-(3-morpholinopropyl)-2(1H)-pyridinone 478063-85-3
6-Isopropyl-4-methylpyridin-3-amine 1699662-11-7
1-Phenyl-1-(3-quinolyl)ethanol 1183075-72-0
4-hydroxy-6-isopropyl-3-nitro-1H-pyridin-2-one 438554-31-5
3-(4-fluorobenzyl)-1-(2-furylmethyl)-4-hydroxy-2(1H)-pyridinone 477856-07-8
3-(2-chloro-6-fluorobenzyl)-1-(4-fluorobenzyl)-4-hydroxy-2(1H)-pyridinone 477856-18-1
2-Benzyloxy-3-(3-tert-butyl-5-ethynyl-4-methoxy-phenyl)-pyridine 1206774-30-2
4-Benzyloxy-5-bromopyrimidine 1232361-96-4
{[(1S)-2,2-dimethylcyclopropyl]methyl}(methyl)amine 2137135-94-3
4-Methylisoquinolin-1-amine 1238291-27-4
1-[(3,4-Dichlorophenyl)methyl]-5-(methoxymethyl)triazole-4-carboxylic acid 1151240-78-6
1-(3,4-dichlorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid 1111881-85-6
Methyl 1-[(3,4-dichlorophenyl)methyl]-5-(methoxymethyl)triazole-4-carboxylate 1151240-77-5
{1-[(3,4-Dichlorophenyl)methyl]-1H-1,2,3-triazol-4-yl}methanol 1151240-85-5
4-(Bromomethyl)-1-[(3,4-dichlorophenyl)methyl]-1H-1,2,3-triazole 1151240-86-6
Ethyl 1-[(3,4-dichlorophenyl)methyl]-1H-1,2,3-triazole-4-carboxylate 1111881-51-6
Tert-butyl pent-1-yn-3-ylcarbamate 1691917-59-5
Tert-butyl 1-(4-methylthiazol-2-yl)ethylcarbamate 913073-61-7
(S)-2-Cyclopentylpiperazine 1240590-41-3
tert-butyl N-(2-bromo-4-methyl-1,3-thiazol-5-yl)-N-methylcarbamate 1255095-04-5
2-Pyridin-3-yl-4-trifluoromethyl-thiazole-5-carboxylic acid ethyl ester 1255095-00-1
2-(Chloromethyl)-5-(trifluoromethyl)thiophene 1462383-18-1
N-[3-methoxy-4-(4-methylpyrimidin-5-yl)phenyl]methanesulfonamide 1357093-53-8
6-Chloro-2-propoxyimidazo[1,2-b]pyridazine 189115-99-9
N-(1-cyano-1,2-dimethylpropyl)-2-{[5-(dimethylamino)-4-(propan-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide 1333869-79-6
5-iodo-N-methyl-N-(2,2,2-trifluoroethyl)thiophene-3-carboxamide 1333843-04-1
N-(1-cyano-2-methylpropyl)-3-(cyclopropylsulfamoyl)benzamide 1333728-29-2
5-(Fluoromethoxy)-2-pyrazinecarboxamide 1404337-87-6
4-Bromo-2-fluorobutyric acid ethyl ester 38176-46-4
2-chloro-N-[3-(phenylsulfanyl)-1,2,4-thiadiazol-5-yl]pyridine-3-carboxamide 1333687-73-2
1-(2-Iodovinyl)-4-methoxybenzene 250291-26-0
(1R,5R,6S,7R,8S,10R)-8-hydroxy-4-oxopseudoguai-2(3),11(13)-dien-12,6-olide 1333396-68-1
4-(3-Phenyl-1H-pyrazol-1-yl)aniline 2054953-62-5
1,3-Oxazinane-2-carboxylic acid 2167620-55-3
N-Acetyl-3-hydroxy-L-tyrosine methyl ester 39740-33-5
N-(2,2-Dimethylpropyl)-3,3-dimethyl-1-butanamine 951160-87-5
N,N-Bis(4-methoxybenzyl)formamide 17061-64-2
2-[5-(4-chlorophenyl)-2H-1,2,3,4-tetrazol-2-yl]-N-(1-cyanocyclohexyl)propanamide 1286894-39-0

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