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
(Z)-3-(2-Methylpropylidene)piperidin-2-one 1863026-12-3
5-(2-Chloro-5-fluoropyrimidin-4-yl)-3-isopropyl-2-methylindazole 1868086-69-4
Tert-butyl 4-(benzo[d][1,3]dioxol-5-ylmethyl)piperidine-1-carboxylate 1415469-73-6
4-[[5-(3-Chlorophenyl)-6-methoxy-3-pyridinyl]methyl]benzenamine 1628116-98-2
3-Allyloxy-2-chloro-6-iodopyridine 1864055-27-5
Tert-butyl 4-[[2,2-dimethylpropanoyl(methyl)amino]methyl]piperidine-1-carboxylate 1327049-56-8
2,4-Dichloro-5-methylbenzyl bromide 1803838-12-1
Methyl 2,4-dichloro-5-methylphenylacetate 1804516-66-2
(5-Fluoropyridin-3-yl)(3-hydroxypiperidin-1-yl)methanone 1564876-48-7
(5-Fluoropyridin-3-yl)(4-hydroxypiperidin-1-yl)methanone 1565523-10-5
1-(3,3-Dimethyl-2-oxoindolin-5-yl)-3-(tetrahydro-2H-pyran-4-yl)urea 1327067-55-9
3-Bromo-4-chloro-N-(2-(methylsulfonyl)ethyl)benzamide 1327067-20-8
5-fluoro-N-(2-hydroxy-2,3-dihydro-1H-inden-1-yl)pyridine-3-carboxamide 1774937-66-4
5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-A]pyridin-5-amine 1554779-81-5
Tert-butyl(6-bromo-2-methoxypyridin-3-yl)(methyl)carbamate 1534390-61-8
Tert-butyl 4-(4-methylbenzyl)piperidine-1-carboxylate 1629602-39-6
Tert-butyl 4-[[2-(4-fluorophenyl)-2-oxoethyl]carbamoyl]piperidine-1-carboxylate 1328613-01-9
7-Fluoro-3,3-dimethyl-2,3-dihydro-1h-inden-1-one 1379666-49-5
2'-Isopropyl-[1,1'-biphenyl]-2-amine 1402547-19-6
4-{2-[4-(Pyridin-2-yl)piperazin-1-yl]pyrimidin-4-yl}morpholine 1905961-53-6
3-Phenyldibenzo[b,d]furan-4-amine 2375718-34-4
N-(Thiophen-2-ylmethyl)-8-oxa-2-azaspiro[4.5]decane-4-carboxamide 1422057-56-4
2-[(2,3-Dihydro-1-benzofuran-5-yl)methyl]-3-methylbutanoic acid 1890508-80-1
2-(4-Boc-1-piperazinyl)-5-propylpyrimidine 1623003-07-5
8-(3-Chloro-5-isoquinolin-6-ylpyridin-4-yl)-2,8-diazaspiro[4.5]decan-1-one 1661839-46-8
8-[3-chloro-5-(1H-indazol-5-yl)pyridin-4-yl]-2,8-diazaspiro[4.5]decan-1-one 1661839-47-9
8-[3-Chloro-5-[4-(1-methylpyrazol-4-yl)phenyl]pyridin-4-yl]-2,8-diazaspiro[4.5]decane-1,3-dione 1661839-52-6
2-Propenamide, N-(7-hydroxy-6-methoxy-2-oxo-2H-1-benzopyran-3-yl)-3-(3,4,5-trimethoxyphenyl)-, (2E)- 1681019-85-1
3-Bromo-5-(chloromethyl)-2-ethoxypyridine 1631981-25-3
tert-Butyl 2-amino-3-carbamoyl-4,5,7,8-tetrahydro-6H-thieno[2,3-d]azepine-6-carboxylate 1589573-39-6
2-{[(tert-butoxy)carbonyl]amino}-6-ethyl-4H,5H,6H,7H-thieno[2,3-c]pyridine-3-carboxylic acid 1589573-01-2
4-Iodo-2-methyl-2H-1,2,3-triazole 2137840-57-2
2,3-Dihydro-I(2),2-dioxo-1H-benzimidazole-5-propanal 1019027-79-2
2-Chloro-6-(difluoromethyl)isonicotinic acid 1806767-21-4
9,9'-(Dibenzo[b,d]furan-2,8-diyl)bis(9H-carbazole-2-carbonitrile) 1924620-22-3
2-Amino-1-(2-methylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide 1620968-98-0
4-Cyano-5-(difluoromethyl)-3-iodo-2-methylpyridine 1806951-19-8
(S)-Methyl 5,5-dimethylpyrrolidine-2-carboxylate hydrochloride 565232-62-4
1-Propanone, 1-[4-(1-aminoethyl)-1-piperidinyl]-3-[5-(4-chlorophenyl)-2-oxazolyl]- 1835590-05-0
1-(3-Amino-4-fluorophenyl)-3-chloropropan-2-one 1806298-02-1
4-[2-(2,6-difluorophenyl)ethynyl]-N,N-dimethylaniline 1620383-82-5
1-(4-Bromo-2-(methylthio)phenyl)hydrazine 1806541-52-5
2-(2-Amino-6-(difluoromethyl)-3-nitropyridin-4-yl)acetonitrile 1805990-72-0
3-[(2,3-Dichlorophenoxy)methyl]azetidine 1863671-44-6
tert-Butyl 7-methyl-3,6-diazabicyclo[3.2.0]heptane-3-carboxylate 1438241-15-6
6-Amino-5-(difluoromethyl)-4-nitropicolinonitrile 1805262-78-5
6-(4-Methylphenoxy)-4-pyrimidinecarboxylic acid 1894008-20-8
2,3-Dichloro-1-(difluoromethyl)-4-methylbenzene 1806303-98-9
4-[[(2-Ethylbutyl)amino]sulfonyl]benzoic acid 54190-78-2
6-Bromo-5-chloro-3-iodo-1H-indole 1934858-88-4

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