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
Ethyl 2,6-dimethylmorpholine-3-carboxylate 2248258-79-7
7-Chloroquinolin-8-ol hydrobromide 2287301-25-9
Tert-butyl 2-anilino-2-methylpropanoate 2248336-64-1
7-Amino-4H-pyrido[3,2-b][1,4]oxazin-3-one;hydrochloride 2260931-80-2
2-(4-methoxyphenyl)-1-[3-(1-methyl-1H-pyrazol-4-yl)piperidin-1-yl]ethan-1-one 2310147-06-7
1-Acetyl-N-[6-(methylsulfonyl)-2-benzothiazolyl]-3-piperidinecarboxamide 1158750-71-0
1-(2-phenylethenesulfonyl)-2,3-dihydro-1H-indole-2-carboxylic acid 2220212-90-6
2-{[(Tert-butoxy)carbonyl]amino}-5-(propan-2-yloxy)pentanoic acid 2171734-49-7
5-Bromo-1-[(tert-butoxy)carbonyl]-1,2,3,4-tetrahydropyridine-2-carboxylic acid 2169408-36-8
4-(1H-Imidazol-5-yl)-3,5-dimethyl-1,2-oxazole 2224269-57-0
Rel-(5S,7R)-2-bromo-5-phenyl-6,7-dihydro-5H-pyrrolo[1,2-b][1,2,4]triazol-7-ol 2268741-27-9
Quinolin-3-ylmethanesulfonylchloride 1697144-88-9
Methyl3-methyl-3-(thietan-3-ylamino)butanoate 1864794-91-1
2-Chloro-4-ethoxy-3-fluorobenzaldehyde 1936390-86-1
Spiro[2.3]hexane-5-sulfonyl chloride 2225154-30-1
2,4-Dibromo-6-nitropyridine 1803817-49-3
1-Fluoro-2,3-dimethoxy-4-methylbenzene 1803769-46-1
2-{[1-(2-{[1,1'-biphenyl]-4-yl}acetyl)piperidin-4-yl]methyl}-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-3-one 2320858-01-1
1-(2-Bromo-5-methoxyphenyl)-1-chloropropan-2-one 1803847-35-9
2-Fluoro-6-methyl-3-(trifluoromethoxy)aniline 1803880-62-7
CID 137916872 2379945-32-9
Ethyl 5,5-dimethoxypiperidine-3-carboxylate 2248335-43-3
(2-Methylidenecyclopropyl)methanamine;hydrochloride 2253630-74-7
3-{[1-({4H,5H,6H-cyclopenta[d][1,3]thiazol-2-yl}methyl)piperidin-4-yl]methoxy}-6-cyclopropylpyridazine 2380068-64-2
3-(2,5-Dihydroxyphenyl)propanenitrile 1807049-83-7
(R)-6-Bromo-5-chloro-1,2,3,4-tetrahydronaphthalen-1-amine 1336229-66-3
N-Hydroxy-(6-methylpyridine)-2-carbonimidoyl chloride 1265323-74-7
(2E)-5-(2,5-dichlorobenzyl)-2-{(2E)-[1-(4-methylphenyl)ethylidene]hydrazinylidene}-1,3-thiazolidin-4-one 301175-32-6
1-(2-Amino-3-mercaptophenyl)-1-bromopropan-2-one 1807105-36-7
3-Bromo-4-chloro-5-methoxybenzoylchloride 2167240-72-2
4-Methoxypyridine-2,6-bis(carboximidamide) 1665340-57-7
N-ethyl-5-methylpyridine-3-sulfonamide 1856141-60-0
3,5-Difluoro-4-(difluoromethyl)benzaldehyde 1443524-50-2
2-(2-Bromo-5-fluorophenyl)butanoic acid 1824009-21-3
1-Benzyl-3-(2,4-dimethylphenyl)pyrrolidin-3-amine 1824016-27-4
Ethyl 5-bromo-3-cyano-2-methoxybenzoate 1807208-96-3
4-(Diphenylamino)-N-hydroxy-6-(pyrrolidin-1-yl)-1,3,5-triazine-2-carboximidamide 1164538-72-0
N-(4-amino-2-((2-((2,3-dimethylphenyl)amino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)furan-2-carboxamide 868226-00-0
(4-Hydroxypyrimidin-2-yl)(imino)methyl-lambda6-sulfanone 2059988-82-6
3-Bromo-4-chloro-2-fluorobenzamide 2090870-27-0
Methyl 3-(4-methoxyphenyl)pyrrolidine-3-carboxylate 2114695-73-5
(1S,3R)-3-Cyclopropyl-2,2-difluorocyclopropane-1-carboxylic acid 2309431-51-2
2-[(1S)-1-aminoethyl]-6-bromo-4-chlorophenol 1241683-56-6
(S)-2-(5-Fluoro-2-iodophenyl)pyrrolidine 1213147-21-7
Benzo[b]thiophen-7-amine, 3,5-dibromo- 1934563-00-4
3-[(3,5-Dimethylphenyl)amino]-1,2,4-triazin-5-ol 535981-68-1
Cyclopentanecarboxylic acid, 2-formyl-5-hydroxy-, methyl ester, (1I+/-,2I(2),5I(2))- 79389-43-8
(Z)-3-(4-ethoxy-3-methoxyphenyl)-N'-(2-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazide 1310343-80-6
4-(azetidin-3-yl)-1-methyl-1H-imidazole 1861943-22-7
3-Pyridinecarboxamide, 5-amino-4-(difluoromethyl)-2-fluoro- 1805210-38-1

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