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
5-(2-((1-methyl-1H-pyrazol-5-yl)amino)pyrimidin-4-yl)pyridazin-3(2H)-one 1673546-81-0
Tert-butyl-4-[4-(difluoromethyl)phenyl]-4-formylpiperidine-1-carboxylate 1673527-11-1
Tert-butyl 4-(4-chlorophenyl)-4-(2-oxoethyl)piperidine-1-carboxylate 1673526-90-3
2-(4-(4-Chlorophenyl)piperidin-4-yl)acetonitrile 1673527-01-9
2-(4-Cyclopropyl-3-methylphenoxy)tetrahydro-2h-pyran 1673559-91-5
Tert-butyl 1-(5-fluoro-6-methoxypyridin-3-yl)hydrazine-1-carboxylate 1673555-82-2
6-Methoxy-5-(4-(trifluoromethyl)phenyl)nicotinic acid 1261871-85-5
2-[(2-methylpyrazol-3-yl)amino]-1H-pyrimidin-6-one 1673546-76-3
3-Amino-1-(3,5-dimethoxy-4-methylphenyl)propan-1-one 1895554-50-3
Tert-butyl 3-(5-bromopyridin-2-yl)-3-hydroxypyrrolidine-1-carboxylate 1207758-78-8
(S)-5-(tert-butoxycarbonyl)-1,2,5-triazaspiro[2.4]hept-1-ene-6-carboxylic acid 1266778-55-5
3-(6-Methoxy-1,3-dioxaindan-5-yl)butan-1-amine 1895483-06-3
1-(6-Methoxy-1,3-dioxaindan-5-yl)-2-methylpropan-2-amine 1895421-16-5
US9872852, Example 2 1675201-84-9
2-Benzyl 3-ethyl (3S)-2,8-diazaspiro[4.5]decane-2,3-dicarboxylate 1675970-08-7
1-(2-Fluoro-6-methoxyphenyl)cyclohexan-1-amine 1704115-86-5
1-[1-(5-Fluoro-2-methoxy-4-methylphenyl)cyclopropyl]ethan-1-amine 1895646-56-6
2-[(5-Fluoro-2-methoxy-4-methylphenyl)methyl]pyrrolidine 1895558-91-4
1-(4-Chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)ethanone 1675968-60-1
[1-(5-Fluoro-2-methoxy-4-methylphenyl)cyclobutyl]methanamine 1895408-45-3
N-(1-(6-(trifluoromethyl)pyrimidin-4-yl)piperidin-4-yl)ethanesulfonamide 2034258-17-6
US9872852, Example 203 1675203-85-6
2-(4-((Benzyloxy)carbonyl)piperazin-1-yl)-4-bromobenzoic acid 1675992-26-3
1-[1-(2-Chloro-6-methoxyphenyl)cyclopropyl]ethan-1-amine 1892104-65-2
1-[1-(4-Chloro-2-methoxyphenyl)cyclopropyl]ethan-1-amine 1892273-88-9
1-(2-Chloro-6-methoxyphenyl)cyclopentan-1-amine 1897884-28-4
[1-(2-Chloro-6-methoxyphenyl)cyclobutyl]methanamine 1897285-89-0
N-(2-(3-(pyrazin-2-yl)-1H-pyrazol-1-yl)ethyl)thiophene-3-carboxamide 2034415-11-5
7-Bromobenzo[d][1,3]dioxole-4-carbonitrile 1898014-67-9
4-Bromo-1-(isocyanatomethyl)-2-methylbenzene 2649069-51-0
1-Bromo-3-(isocyanatomethyl)-5-methylbenzene 2649064-42-4
1-Bromo-2-(isocyanatomethyl)-4-methylbenzene 2649071-90-7
3-(2-Bromo-5-methylphenyl)prop-2-en-1-amine 1899172-45-2
3-(3-Bromo-2-methylphenyl)prop-2-en-1-amine 1899058-48-0
5-(2,4-Difluoro-6-methoxyphenyl)-1,2-oxazol-3-amine 1892222-96-6
5-(3,4-Difluoro-2-methoxyphenyl)-1,2-oxazol-3-amine 1891550-58-5
5-(2,6-Difluoro-4-methoxyphenyl)-1,2-oxazol-3-amine 1897133-22-0
3-(4,5-Difluoro-2-methoxyphenyl)-1,2-oxazol-5-amine 1892114-14-5
3-(3,4-Difluoro-2-methoxyphenyl)-1,2-oxazol-5-amine 1892223-03-8
3-Amino-2-(2-hydroxy-5-nitrophenyl)propanoic acid 1897039-06-3
1-(2,5-Difluoro-4-methylphenyl)cyclobutane-1-carboxylic acid 1892114-49-6
4-Amino-5-(difluoromethyl)-3-(trifluoromethoxy)picolinaldehyde 1804371-68-3
4-Cyano-2-(difluoromethoxy)-5-methoxybenzene-1-sulfonyl chloride 1807280-68-7
4-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)picolinic acid 1804782-17-9
4-Cyano-3-(difluoromethyl)-5-methoxypicolinamide 1806008-44-5
4-Cyano-3-(difluoromethyl)-2-methoxybenzoic acid 1805640-72-5
4-Chloro-3-(difluoromethyl)-2-iodo-6-methylpyridine 1806872-97-8
4-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride 1806198-67-3
4-Chloro-6-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine 1804616-41-8
4-Chloro-3-(difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine 1804819-45-1

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