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-(1,3-dimethyl-1H-pyrazol-5-yl)cyclohexyl]methanamine 1519247-31-4
1-(trimethyl-1H-pyrazol-4-yl)cyclohexan-1-amine 1542374-83-3
[1-(trimethyl-1H-pyrazol-4-yl)cyclopentyl]methanamine 1513739-40-6
2-Fluoro-5-methylphenyl chloroformate 1250435-92-7
4-[1-Methyl-3-(propan-2-yl)-1H-pyrazol-4-yl]piperidine 1515406-12-8
3,3,3-Trifluoro-2-(trifluoroacetamido)propanoic acid 27240-47-7
2-{[3-(Methylsulfanyl)phenyl]methyl}pyrrolidine 1508588-46-2
3-[3-(Methylsulfanyl)phenyl]piperidine 1260644-12-9
2-(2,6-Dichloropyridin-4-yl)acetaldehyde 2228318-32-7
1-[3-(Methylsulfanyl)phenyl]cyclopentan-1-amine 1518879-81-6
4-{4H,5H,6H-cyclopenta[b]thiophen-2-yl}piperidine 1518398-33-8
2-Amino-7-methoxy-1,3-benzoxazole-5-carboxylic acid 1511676-97-3
2-(5-Fluoro-1-benzofuran-2-yl)propanoic acid 1515450-10-8
2-Pentanamine, N,3-diethyl-1-[(2-methylpropyl)thio]- 1512913-91-5
3-(7-Fluoro-1-benzofuran-2-yl)propanoic acid 1525950-69-9
1-(1,3-dimethyl-1H-pyrazol-5-yl)cyclopentane-1-carboxylic acid 1511507-77-9
7-Hydroxy-8-methylchromane-3-carboxylic acid 1517464-83-3
1-(2,4-Dihydroxyphenyl)cyclobutane-1-carboxylic acid 1519917-08-8
1-(3,4-Dihydroxyphenyl)cyclobutane-1-carboxylic acid 1314668-21-7
4-(Pentan-3-yl)oxane-4-carboxylic acid 1512308-71-2
2-Bromo-5-(dihydroxyboranyl)-4-fluorobenzoic acid 677777-58-1
1-(Pentan-3-yl)cyclobutane-1-carboxylic acid 1509176-67-3
3-Methyl-4-(2H-1,2,3-triazol-2-yl)benzoic acid 1785606-18-9
1-(5-Methyl-2-(pentan-3-yloxy)phenyl)ethan-1-one 1518970-11-0
7-(Pyrrolidin-2-yl)quinoline 1337214-15-9
2-Hydroxy-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine-4-carboxylic acid 1509461-39-5
3-[(Prop-2-yn-1-yl)amino]pyridine-4-carboxylic acid 1517192-81-2
3-(1,3-Dihydroisoindol-2-yl)pyridine-4-carboxylic acid 1461602-22-1
(2-Cyclopropylcyclopropyl)methanol 192056-12-5
3-Cyclobutyl-2-fluoropropanoic acid 1531971-51-3
1-(4-Fluoro-3-methylphenyl)cyclobutane-1-carboxylic acid 1314668-69-3
3-{[(Furan-2-yl)methyl]amino}pyridine-4-carboxylic acid 1461602-86-7
1H-Pyrrol-3-ylmethanethiol 1533851-16-9
2-(4-Methylthiophen-3-yl)propan-2-amine 1785109-72-9
2-(4,4-Difluorocyclohexyl)pyrrolidine 1553638-96-2
4-(2-Aminoethyl)-1-methylpyrrolidin-2-one 1519119-58-4
2-(2-Hydroxy-5-methylphenyl)-3-methylbutanoic acid 1510283-69-8
(3-(Cyclopropylmethoxy)pyridin-2-yl)methanamine 1513639-07-0
2-(2-Fluoro-6-methylphenyl)-2-methylpropanoic acid 1780194-66-2
[2-Methyl-2-(1-methylcyclopropyl)cyclopropyl]methanol 1512143-99-5
3-(2-Fluoro-6-methylphenyl)-2-methylpropanoic acid 1780194-73-1
2-(3-Fluorophenyl)-6-benzoxazolecarboxylic acid 1523114-53-5
3-Ethyl-1,1,1-trifluoropentan-2-one 1503712-17-1
2-(1-Benzylpyrrolidin-3-yl)-2-fluoroacetic acid 1513465-18-3
1-[(4-chlorophenyl)methyl]-1H-indole-3-sulfonamide 1548021-53-9
2-Fluoro-2-[4-(propan-2-yl)cyclohexyl]acetic acid 1512167-67-7
2-Fluoro-2-[4-(2-methylbutan-2-yl)cyclohexyl]acetic acid 1513699-56-3
1-(Chloromethyl)-1-(propan-2-yl)cyclopropane 180331-48-0
3-(Chloromethyl)-2,3-dimethylpentane 128400-07-7
1-(5-Chloro-2-(pentan-3-yloxy)phenyl)ethan-1-one 1499333-12-8

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