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
8-Morpholino-3-phenylimidazo[1,2-b]pyridazine-2-carbaldehyde 1639893-26-7
4-(Thian-3-yl)-1,3-oxazolidin-2-one 1851650-22-0
4-(2-Formyl-8-morpholinoimidazo[1,2-b]pyridazin-3-yl)benzonitrile 1639893-27-8
4-[(1-Methylpyrrolidin-2-yl)methyl]-1,3-oxazolidin-2-one 1888619-77-9
4-(5-Methylfuran-2-yl)-1,3-oxazolidin-2-one 1823512-95-3
2-[2-[8-(4-Morpholinyl)imidazo[1,2-b]pyridazin-2-yl]cyclopropyl]quinoline 1639891-17-0
2-[2-[8-(4-Morpholinyl)imidazo[1,2-b]pyridazin-2-yl]ethynyl]quinoline 1639890-42-8
2-[2-[3-Bromo-8-(4-morpholinyl)imidazo[1,2-b]pyridazin-2-yl]ethyl]quinoline 1639892-73-1
6-Fluoro-3-[1-(4-methyl-1,3-thiazol-2-yl)piperidin-4-yl]-1,2-benzoxazole 2741921-62-8
(3-Bromo-8-morpholinoimidazo[1,2-b]pyridazin-2-yl)methanol 1639891-98-7
Ethyl 8-morpholinoimidazo[1,2-b]pyridazine-2-carboxylate 1639891-85-2
(8-Morpholinoimidazo[1,2-b]pyridazin-2-yl)methanol 1639891-86-3
3-Bromo-8-morpholinoimidazo[1,2-b]pyridazine-2-carbaldehyde 1639891-99-8
6-[2-(Dimethylamino)ethyl]morpholin-3-one 1891116-34-9
3-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)tetrahydrothiophene 1,1-dioxide 1893733-18-0
4-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)tetrahydro-2H-thiopyran 1,1-dioxide 1893906-37-0
3-((3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)methyl)tetrahydrothiophene 1,1-dioxide 1890587-25-3
3-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)tetrahydro-2H-thiopyran 1,1-dioxide 1896679-79-0
2-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)tetrahydrothiophene 1,1-dioxide 1893593-55-9
2-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)tetrahydro-2H-thiopyran 1,1-dioxide 1893244-20-6
4-(4-Bromobenzyloxy)-1-isopropyl-1H-pyrazole 1712366-97-6
Tert-butyl 6-chloro-1-methyl-2,4-dioxopyrrolo[2,3-d]pyrimidine-7-carboxylate 1396738-61-6
1-(Thiophen-3-yl)ethane-1-sulfonamide 1249677-37-9
Peliglitazar metabolite M7 1807608-02-1
6-[(3-Amino-1H-pyrazol-1-yl)methyl]-2-chloro-3-pyridinecarbonitrile 1838653-62-5
[3-(Pyridin-2-yl)pyrrolidin-3-yl]methanol 1903334-15-5
tert-Butyl 6-fluoro-2-phenyl-1H-indole-1-carboxylate 1647124-91-1
tert-Butyl 2-(4-bromophenyl)-1H-indole-1-carboxylate 1647124-81-9
[1-Methyl-3-(propan-2-yl)pyrrolidin-3-yl]methanol 1851819-56-1
tert-Butyl 6-methyl-2-phenyl-1H-indole-1-carboxylate 1647124-95-5
1,3-Dioxolan-2-one, 4,4'-(1,4-phenylene)bis[4-methyl-5-methylene- 1818247-05-0
1-(4-Bromo-3-methylphenyl)sulfonyl-3-methylpyrrolidin-3-ol 1992891-19-6
Triphenyl(2-(2-(1-phenylethylidene)hydrazinyl)prop-1-en-1-yl)phosphonium bromide 87101-40-4
4-Bromo-3-cyano-6-(difluoromethyl)pyridine-2-sulfonyl chloride 1806991-76-3
4-Cyano-3-(difluoromethyl)-2-iodo-5-(trifluoromethyl)pyridine 1805379-81-0
3-(3-Chloroquinoxalin-2-yl)morpholine 2733512-10-0
(1-methyl-3-(piperidin-3-yl)-1H-pyrazol-5-yl)methanol 1888854-23-6
tert-butyl 4-(4-chloro-3-iodo-1H-pyrrolo[2,3-b]pyridin-2-yl)piperidine-1-carboxylate 1628501-26-7
4-Chloro-2-iodo-5-methyl-1-[(4-methylphenyl)sulfonyl]-1H-pyrrolo[2,3-b]pyridine 1628499-72-8
2-(3-Fluorophenyl)-5-methylthiazole-4-carboxylic acid ethyl ester 1770676-43-1
5-Methyl-2-p-tolyl-thiazole-4-carboxylic acid ethyl ester 1770676-44-2
2-(4-Fluorophenyl)-5-methylthiazole-4-carboxylic acid ethyl ester 1774291-52-9
6-(Trifluoromethyl)-1,4-oxazepan-6-ol 1824048-41-0
(5-Ethoxycarbonylpyridin-2-yl)boronic acid 1394897-47-2
[6-(Trifluoromethyl)-1,8-naphthyridin-2-yl]boronic acid 1445779-93-0
4-Hydroxyquinoline-8-acetonitrile 1261784-08-0
(4,4-Difluoro-2-methylpyrrolidin-2-yl)methanol hydrochloride 1823319-70-5
(2-amino-4-bromophenyl)(2,3-dimethylphenyl)Methanone 1772355-02-8
Methyl (2S,4S)-4-hydroxy-4-(trifluoromethyl)pyrrolidine-2-carboxylate 1932344-40-5
1,3-Dihydro-1-(2,3,4,5,6-pentafluorophenyl)-2H-imidazole-2-thione 25372-12-7

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