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
N-2-benzothiazolyl-3-nitrobenzenesulfonamide 612539-49-8
N-(4,5-dimethyl-2-thiazolyl)-3-nitrobenzenesulfonamide 612535-00-9
3-fluoro-N-[(2E)-5-(tetrahydrofuran-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]benzamide 939240-12-7
(1R)-3-Chloro-1-(2-thienyl)propyl butanoate 260354-14-1
5-Methyl-2,7-naphthyridine-4-carboxaldehyde 404338-68-7
2-(Pyridin-2-yl)acetyl chloride hydrochloride 39640-61-4
2-(5-Nitro-1,3-dioxoisoindol-2-yl)propanoic acid 18627-61-7
3-methyl-6-phenyl-N-propylimidazo[2,1-b][1,3]thiazole-2-carboxamide 852132-89-9
2-(4-Methylcyclohexyl)prop-2-enoic acid 2228699-06-5
2,2'-Bipyridyl-3,3'-dicarboxaldehyde 71353-93-0
4-[5-Chloro-2-(methylsulfanyl)pyrimidine-4-carbonyl]morpholine 902243-57-6
2,4,4-Trimethyl-7-oxabicyclo[4.1.0]hept-2-ene-3-carbonitrile 535950-00-6
2-Amino-2-phenylacetaldehyde 774227-61-1
Isoxazolidin-3-ylmethanol oxalate 82409-20-9
3-(2-chlorophenyl)-6-(4-(4-fluorophenyl)piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione 847398-28-1
5-(oxiran-2-yl)-2H-1,3-benzodioxole 40288-67-3
2-((2-(4-benzylpiperidin-1-yl)quinolin-8-yl)oxy)-N-(3,5-dimethylphenyl)acetamide 941903-00-0
2,3,5-Trimethyl-4-hydroxybenzaldehyde 91060-95-6
3-(4-Cyano-1,3-dimethylpyrido[1,2-a]benzimidazol-2-yl)propanoic acid 879920-73-7
N-(1-cyanocyclohexyl)-2-(4-phenylpiperazin-1-yl)propanamide 923694-26-2
2-Chloro-6-iodo-1,4-dihydroquinazoline 116027-12-4
N-(2-(furan-2-yl)-2-(indolin-1-yl)ethyl)-4-nitrobenzamide 898458-15-6
2-[2-[2-[2-(Nitrooxy)ethoxy]ethoxy]ethoxy]benzaldehyde 141179-75-1
N,N'-bis(1,3-benzodioxol-5-yl)-6-(pyrrolidin-1-yl)-1,3,5-triazine-2,4-diamine 898623-26-2
3-(2,5-Dimethyl-pyrrolidin-1-YL)-benzoic acid 946676-66-0
5-Hydroxy-2-methoxybenzamide 180526-91-4
N-(4-Maleimidobutyl)-N-methylaniline 146426-03-1
N-ethoxycarbonylpropyl-N-methyl-p-phenylenediamine 146425-94-7
2-(3,4-dichlorophenyl)-9-(3,4-dimethoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide 906153-58-0
N-(1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl)-4-(4-methylbenzenesulfonyl)butanamide 923088-84-0
2-chloro-N-(2-fluoro-4-iodophenyl)acetamide 937621-78-8
5-Methoxy-2-methyl-3-(2-(morpholin-4-yl)ethyl)-1H-indole 180002-82-8
Vilazodone methyl ester 1236722-93-2
4-Bromo-3-hydroxy-5-phenylisoxazole 56674-61-4
N-(3-Aminophenyl)-4-propyl-1-piperazineacetamide 953720-68-8
5-(m-Chlorophenyl)-3-hydroxyisoxazole 72309-72-9
N-[4-(7-Bromo-5-ethyl-2-benzoxazolyl)phenyl]-4-methylbenzamide 925176-34-7
Phthalic Anhydride-13C 344327-05-5
1-Propanol, 2-amino-3-(octadecyloxy)-, (S)- 82936-51-4
3-(2-Fluorophenyl)-1,2,4-oxadiazole-5-carboxylic acid 944896-72-4
Propanamide, 2-(2,4-dichloro-5-methylphenoxy)-N-phenyl- 84496-57-1
2,5-dihydro-1H-1-benzazepin-2-one 1824596-14-6
2-(2-Ethoxyphenoxy)cyclopentan-1-amine 953720-75-7
5-Bromo-1,1-difluoropentane 157549-47-8
N-(4-ethoxyphenyl)-3-nitropyridin-2-amine 879427-90-4
4-(5-methyl-1H-1,2,3-triazol-1-yl)benzoic acid 923231-24-7
8-methoxy-1-methylquinolin-4(1H)-one 127285-62-5
1-Benzyl-1-methylurea 73355-62-1
6-Chloro-N4-(1-methyl-2-phenoxyethyl)-2,4-pyrimidinediamine 138764-93-9
[3-(Aminomethyl)-5-methylphenyl]methanol 146335-24-2

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