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-(2,4-Dichloro-benzyl)-piperidine-4-carboxylicacid 901920-31-8
3-(4-CHLORO-BENZENESULFONYL)-PIPERIDINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER 887590-18-3
(S)-3-BROMO-PYRROLIDINE 91187-81-4
(4-chlorophenyl)-(3,4-difluorophenyl)methanone 844885-01-4
4-Chloro-3,5-dimethyl-1H-pyrazole 15953-73-8
4-Chloro-3-methyl-1H-pyrazole 1092682-87-5
Isobutylhydrazine hydrochloride (1:1) 237064-47-0
2,2,3,3,4,4,5,5,6,6-decafluoro-1-(trifluoromethyl)piperidine 359-71-7
1,2,2,3,3,4,4,5,5,6,6-undecafluorocyclohexane-1-carbonyl chloride 58816-79-8
3-Picolyl isothiocyanate hydrobromide 36810-90-9
2-Butyn-1-yl carbonochloridate 202591-85-3
2,2,2-TRICHLORO-1,1-DIMETHYLETHYL CHLOROFORMATE 66270-36-8
2-(methylthio)cyclohexanone 52190-35-9
Nonafluorobutanesulfonic Anhydride 36913-91-4
sodium,4-amino-3,5-dibromobenzenesulfonate 78824-10-9
2(3H)-Furanone,3-bromodihydro-3-methyl- 33693-67-3
Chlorotris(trimethylsilyl)silane 5565-32-2
Taltobulin 228266-40-8
1-[2-chloroethyl(methylsulfonyl)amino]-3-methyl-1-methylsulfonylurea 173424-77-6
Talampanel 161832-65-1
C-1311 138154-39-9
N-[(1S)-1-[[[(4R,7S)-Hexahydro-7-methyl-3-oxo-1-(2-pyridinylsulfonyl)-1H-azepin-4-yl]amino]carbonyl]-3-methylbutyl]-2-benzofurancarboxamide 362507-64-0
Triapine 236392-56-6
Tariquidar 206873-63-4
Pelitrexol 446022-33-9
Quinagolide 87056-78-8
Talaporfin sodium 220201-34-3
Efaproxiral 131179-95-8
Tasidotin hydrochloride 623174-20-9
CB 1954 21919-05-1
Elinafide 162706-37-8
3-Aminocyclobutanol hydrochloride (1:1) 1036260-25-9
METHYL 5-BROMO-2-HYDROXYPYRIMIDINE-4-CARBOXYLATE 71933-03-4
4-Methyl-5-pyrimidinecarboxylic acid methyl ester 157335-94-9
Ethyl 5-bromo-2-methyl-4-pyrimidinecarboxylate 83410-38-2
3-Methylisonicotinaldehyde 74663-96-0
3-Chloroisonicotinaldehyde 72990-37-5
2,3,5,6-Tetrachloroisonicotinaldehyde 68054-26-2
3-Amino-4-carboxaldehyde 55279-29-3
2,6-DIMETHOXYISONICOTINALDEHYDE 52606-01-6
3-Fluoroisonicotinaldehyde 40273-47-0
2,6-Dimethylpyridine-4-carboxaldehyde 18206-06-9
3,5-Dichloro-2,6-difluoroisonicotinaldehyde 17723-32-9
3-Hydroxy-2,5-dimethylisonicotinaldehyde 1849-49-6
(10-acetyl-7-acetyloxyphenoxazin-3-yl) acetate 93729-77-2
2-cyano-4-phenylpyridine 18714-16-4
Pyridine-2,6-dithiol 23941-53-9
Coelenterazine 55779-48-1
S-METHYL-L-CYSTEINE METHYL ESTER HYDROCHLORIDE 34017-27-1
(Z)-3-(dimethylamino)-2-phenylprop-2-enal 15131-89-2

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