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-(3-(Bromomethyl)-4-(trifluoromethylthio)phenyl)-3-chloropropan-2-one 1806549-22-3
1-(3-Chloropropyl)-3-ethoxy-2-(trifluoromethylthio)benzene 1806611-74-4
1-(4-Amino-2-cyanophenyl)-3-bromopropan-2-one 1804220-65-2
1-(3-(Difluoromethoxy)-5-(trifluoromethylthio)phenyl)propan-1-one 1805877-34-2
1-(2-Nitro-6-(trifluoromethylthio)phenyl)propan-1-one 1806463-00-2
4-Cyano-2-(difluoromethyl)-6-methylpyridine-3-methanol 1805022-33-6
1-(3-Ethoxy-4-(trifluoromethylthio)phenyl)propan-1-one 1804283-20-2
1-(3-(Bromomethyl)-2-(trifluoromethyl)phenyl)-3-chloropropan-1-one 1804232-60-7
Methyl 1-(methylamino)cyclopentanecarboxylate 4-toluenesulfonate 1628853-81-5
1-(3-(Chloromethyl)-5-(difluoromethyl)phenyl)propan-1-one 1803710-96-4
1-(4-Amino-2-hydroxyphenyl)-1-bromopropan-2-one 1803863-96-8
2',3'-Dibromo-4'-fluorophenacyl chloride 1806355-41-8
2-(Chloromethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid 1805189-45-0
2-(Chloromethyl)-6-cyano-3-(difluoromethyl)-5-hydroxypyridine 1805358-68-2
2-(Chloromethyl)-6-(difluoromethyl)-3-hydroxy-4-nitropyridine 1806943-64-5
2-(Chloromethyl)-6-(difluoromethyl)-4-methyl-3-nitropyridine 1805623-90-8
3-Chloroprop-2-ene-1-sulfonamide 152498-38-9
2-Chloro-1-(oxolan-3-yl)ethan-1-ol 1592254-61-9
1-[1-(Oxetan-3-yloxy)cyclohexyl]methanamine 1593436-15-7
4-(2,2-Dimethylthiomorpholin-4-yl)butan-2-one 1600592-31-1
tert-butyl N-[2-(ethoxyamino)ethyl]carbamate 1565056-68-9
N-Cyclopropyl-5,6-dimethyl-1,2,4-triazin-3-amine 1599766-87-6
Methyl 5-chloro-2-(5-(hydroxymethyl)-3-methylisoxazol-4-yl)benzoate 1505453-60-0
2-Amino-6-bromo-3-methoxybenzaldehyde 1601891-31-9
1-Cyclopropyl-3-(pyrimidin-2-yl)propane-1,3-dione 1602803-85-9
3-(1-ethyl-1H-pyrazol-5-yl)-2-oxopropanoic acid 1597318-66-5
[(2-Bromo-6-fluorophenyl)methyl](ethyl)amine 1595525-91-9
1-[[1-(2-Ethylphenyl)-5-oxo-3-pyrrolidinyl]carbonyl]-3-piperidinecarboxylic acid 1211486-23-5
1-[3-(Benzyloxy)phenyl]cyclopropan-1-amine 1314761-52-8
Methyl 3-ethyl-3-(3-fluorophenyl)oxirane-2-carboxylate 1603002-66-9
Benzene, 1-(2-bromo-1-ethylpentyl)-3-fluoro- 1593887-98-9
4-(3-Fluorophenyl)-3-methylazetidin-2-one 1597289-34-3
1-[1-(2-Methanesulfonylphenyl)cyclopropyl]ethan-1-amine 1892143-56-4
3-Bromo-4-chloro-5-fluorobenzyl alcohol 1897916-27-6
(4-Bromo-2-chloro-3-fluorophenyl)methanol 1891698-71-7
O-{2-[2-chloro-5-(trifluoromethyl)phenyl]ethyl}hydroxylamine 1891580-01-0
O-{2-[2-chloro-6-(trifluoromethyl)phenyl]ethyl}hydroxylamine 1897075-93-2
1-(4-(Aminomethyl)piperidin-1-yl)-3-methylpentan-1-one 1601096-48-3
6-chloro-8-(isocyanatomethyl)-3,4-dihydro-2H-1,5-benzodioxepine 2649035-09-4
1-(3-Methylpentanoyl)piperidine-4-carboxylic acid 1603611-59-1
1-(3-Methylpentanoyl)piperidine-3-carboxylic acid 1595943-75-1
1-(3-Methylpentanoyl)pyrrolidine-3-carboxylic acid 1595900-67-6
1-(3-Methylpentanoyl)azetidine-3-carboxylic acid 1602931-47-4
(4-(Aminomethyl)piperidin-1-yl)(5-fluoropyridin-3-yl)methanone 1589272-50-3
3-(3-Bromothiophen-2-yl)-1,1,1-trifluoropropan-2-amine 1602974-95-7
1,5-Dimethyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-amine 1600150-05-7
3-(5-Chloro-2-fluorophenyl)-5-methylisoxazole-4-carboxylic acid 943531-11-1
3-(4-Chloro-2-fluorophenyl)-5-methylisoxazole-4-carboxylic acid 1778948-18-7
2-Azido-4-bromobenzonitrile 1597923-15-3
5-(3-Fluorophenyl)-1,3,4-oxadiazole-2-carbonitrile 68496-64-0

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