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-Cyclobutyl-3-piperazin-1-ylpropan-1-ol 1799937-85-1
Methyl 2-amino-3-[2-(trifluoromethyl)cyclopropyl]propanoate 1910804-60-2
Tert-butyl 2-amino-2-[2-(trifluoromethyl)cyclopropyl]acetate 1922716-91-3
Methyl 2-amino-2-[2-(trifluoromethyl)cyclopropyl]acetate 1922860-51-2
Tert-butyl 4-(trifluoromethyl)-2-azabicyclo[2.1.1]hexane-1-carboxylate 1983346-85-5
Methyl 4-(trifluoromethyl)-2-azabicyclo[2.1.1]hexane-1-carboxylate 1934459-04-7
tert-butyl (2S)-2-amino-3-(oxan-4-yl)propanoate 1983347-00-7
tert-butyl (1S,5R)-2-azabicyclo[3.1.0]hexane-1-carboxylate 134732-53-9
Tert-butyl 4-amino-4-(3,4-dichlorophenyl)butanoate 1984094-41-8
2-[3-(3,3,3-Trifluoropropylsulfonyl)propyl]pyrrolidine 1670273-44-5
Tert-butyl 2-amino-3-[4-(methylsulfanyl)phenyl]propanoate 1922860-30-7
tert-butyl 1-amino-2,3-dihydro-1H-indene-1-carboxylate 1993287-90-3
tert-butyl 2-amino-3-{1H-pyrrolo[2,3-b]pyridin-1-yl}propanoate 1922860-36-3
Tert-butyl 2-amino-2-methyl-4-phenylbutanoate 1987428-25-0
rac-tert-butyl (1R,3R,5R)-2-azabicyclo[3.1.0]hexane-3-carboxylate 1931961-80-6
tert-butyl 2-amino-2-(trimethyl-1H-pyrazol-4-yl)acetate 1922718-25-9
Tert-butyl 3-amino-2-[(2-methylphenyl)methyl]propanoate 1987428-39-6
Tert-butyl 4-(2-ethoxyethyl)piperazine-1-carboxylate 2172786-48-8
tert-Butyl ((1s,3s)-3-((tert-butyldimethylsilyl)oxy)cyclobutyl)(methyl)carbamate 1428776-35-5
2-(5-Amino-7-chloro-2-cyclobutylbenzo[d]oxazol-6-yl)propan-2-ol 2195366-12-0
1-(6-cyclopropylpyridazin-3-yl)-N-[(1H-indol-3-yl)methyl]piperidine-3-carboxamide 2097919-68-9
2-Fluoro-4-methyl-1-(2-nitroethenyl)benzene 2169667-96-1
2-(3-(tert-Butoxycarbonyl)azetidin-1-yl)acetic acid 1824200-79-4
Ethyl 5-(6-methoxy-2-naphthyl)isoxazole-3-carboxylate 1257629-96-1
Ethyl 1-(6-tert-butylpyrimidin-4-yl)piperidine-4-carboxylate 2098017-26-4
4-(4-Benzylpiperazin-1-yl)-6-(difluoromethyl)pyrimidine 2098017-36-6
tert-butyl N-(2-{[6-(difluoromethyl)pyrimidin-4-yl]amino}ethyl)carbamate 2098017-50-4
Ethyl 1-[6-(difluoromethyl)pyrimidin-4-yl]piperidine-4-carboxylate 2098108-43-9
tert-butyl N-(2-{[6-(trifluoromethyl)pyrimidin-4-yl]amino}ethyl)carbamate 2002845-90-9
Methyl 1-[6-(trifluoromethyl)pyrimidin-4-yl]piperidine-4-carboxylate 2098004-65-8
Ethyl 4-{[6-(fluoromethyl)pyrimidin-4-yl]amino}piperidine-1-carboxylate 2098141-17-2
Ethyl 1-[6-(fluoromethyl)pyrimidin-4-yl]piperidine-3-carboxylate 2098108-93-9
Ethyl 4-{[6-(2-methoxyethyl)pyrimidin-4-yl]amino}piperidine-1-carboxylate 2098113-72-3
tert-butyl N-(3-{[6-(cyclopent-3-en-1-yl)pyrimidin-4-yl]amino}propyl)carbamate 2098016-85-2
tert-butyl N-(2-{[6-(cyclopent-3-en-1-yl)pyrimidin-4-yl]amino}ethyl)carbamate 2098141-57-0
Ethyl 1-[6-(oxan-4-yl)pyrimidin-4-yl]piperidine-3-carboxylate 2098063-53-5
Methyl 1-[6-(oxan-4-yl)pyrimidin-4-yl]piperidine-4-carboxylate 2098063-60-4
Tert-butyl 2-{[6-(oxan-4-yl)pyrimidin-4-yl]amino}acetate 2098110-18-8
tert-butyl N-({1-[(1,2-dimethyl-1H-imidazol-4-yl)sulfonyl]piperidin-2-yl}methyl)carbamate 2098063-92-2
tert-butyl N-{[1-(3-fluorobenzenesulfonyl)piperidin-2-yl]methyl}carbamate 2098017-40-2
3-chloro-N-[1-(4-phenylpiperazin-1-yl)-1-(thiophen-2-yl)propan-2-yl]benzamide 906241-82-5
4-(4-methyl-1H-pyrazol-1-yl)oxolan-3-ol 1862429-31-9
Tert-butyl 4-{pyrazolo[1,5-a]pyridine-2-carbonyl}piperazine-1-carboxylate 2097937-43-2
1-[4-(4-fluorophenyl)-1,3-thiazol-2-yl]-5-methyl-1H-pyrazol-3-amine 2097935-96-9
2-({3-[2-(4-chlorophenyl)ethyl]-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-[(2-chlorophenyl)methyl]acetamide 2097937-81-8
N-(5-chloro-2,4-dimethoxyphenyl)-2-({3-[2-(4-chlorophenyl)ethyl]-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide 2097937-63-6
N-(5-chloro-2-methoxyphenyl)-2-({3-[2-(4-chlorophenyl)ethyl]-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide 2097937-83-0
N,N-dimethyl-4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}-[1,4'-bipiperidine]-1'-sulfonamide 2097938-39-9
1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-4-[1-(1H-imidazole-4-sulfonyl)piperidin-4-yl]piperazine 2097938-09-3
1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(1-{[3,5-dimethyl-1-(propan-2-yl)-1H-pyrazol-4-yl]sulfonyl}piperidin-4-yl)piperazine 2097933-70-3

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