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
2-cyclopropyl-4-methyl-3,4-dihydro-2H-1-benzopyran-6-sulfonyl chloride 2172447-10-6
2-ethyl-4-methyl-3,4-dihydro-2H-1-benzopyran-6-sulfonyl fluoride 2171987-62-3
4-methyl-2-(propan-2-yl)-3,4-dihydro-2H-1-benzopyran-6-sulfonyl fluoride 2172059-40-2
2-cyclopropyl-4-methyl-3,4-dihydro-2H-1-benzopyran-6-sulfonamide 2171987-66-7
8-[1-(Hydroxymethyl)cyclobutyl]-2-azabicyclo[3.3.1]nonan-8-ol 2171910-73-7
5-benzyl-2,2-dioxo-hexahydro-1H-2lambda6-thieno[3,4-c]pyrrole-3a-carboxylic acid 2172544-87-3
2-(2-Methanesulfonamidoethyl)piperidine-1-carbonyl chloride 2172059-53-7
2-(2-Methanesulfonamidoethyl)piperidine-1-sulfonyl chloride 2172074-07-4
4-Methyl-decahydroquinoline-1-carbonyl chloride 2172059-58-2
Methyl 3-[(chlorocarbonyl)(methyl)amino]propanoate 39617-41-9
Methyl 5-ethyl-4-sulfamoylfuran-2-carboxylate 2172544-97-5
4-Chlorothiophene-3-sulfonamide 2171988-17-1
2-Methyl-5-(4-methyl-1,3-oxazol-2-yl)benzene-1-sulfonamide 2171934-53-3
2-Bromo-4-methanesulfonylbenzene-1-sulfonamide 2172266-77-0
1-(1-cyclopropyl-3-propyl-1H-pyrazol-5-yl)ethan-1-amine 2172542-13-9
1-(3-cyclobutyl-1-cyclopropyl-1H-pyrazol-5-yl)ethan-1-amine 2172545-14-9
[3-(4-Fluorophenyl)-1,2-oxazol-5-yl]methanesulfonamide 2171935-02-5
3-[1-(Hydroxymethyl)cyclopentyl]-1-azabicyclo[2.2.2]octan-3-ol 2172256-54-9
1-[1-(Hydroxymethyl)cyclopentyl]-4,4-dimethylcycloheptan-1-ol 2172014-95-6
Ethyl 3-(3-hydroxythiolan-3-yl)oxane-3-carboxylate 2172060-02-3
Methyl 4-(4-hydroxyoxan-4-yl)thiane-4-carboxylate 2172542-28-6
[1-(2-chloro-6-methylphenyl)-1H-pyrazol-5-yl]methanol 2172074-36-9
[1-(3-fluoro-4-methylphenyl)-1H-pyrazol-5-yl]methanol 2172156-87-3
5-(chloromethyl)-1-(3-fluorophenyl)-1H-pyrazole 2172545-68-3
5-(chloromethyl)-1-(2,5-difluorophenyl)-1H-pyrazole 2172256-90-3
1-(4-chloro-2-methylphenyl)-5-(chloromethyl)-1H-pyrazole 2171912-57-3
1-(2-chloro-4-fluorophenyl)-5-(chloromethyl)-1H-pyrazole 2171892-54-7
[1-(cyclopropylmethyl)-5-(propan-2-yl)-1H-1,2,3-triazol-4-yl]methanol 2172256-97-0
[1-(1-cyclopropylethyl)-5-(propan-2-yl)-1H-1,2,3-triazol-4-yl]methanol 2172216-59-8
[1-(1-cyclobutylethyl)-5-(propan-2-yl)-1H-1,2,3-triazol-4-yl]methanol 2171988-80-8
Tert-butyl 3-hydroxy-4-(4-methyl-1,3-thiazol-5-yl)pyrrolidine-1-carboxylate 2171956-85-5
Lithium(1+) 4-(methoxymethyl)thiophene-2-sulfinate 2731014-07-4
rac-(3R,4S)-4-(2-methyl-2H-1,2,3-triazol-4-yl)oxolan-3-ol 2227863-45-6
(5-(4-Methoxyphenyl)-3-azabicyclo[3.1.1]heptan-1-yl)methanol 2731009-79-1
3-(2-chloro-1-methyl-1H-imidazol-5-yl)butan-2-ol 2020657-18-3
tert-butyl 3-hydroxy-4-[(2-methyl-2H-1,2,3,4-tetrazol-5-yl)methyl]pyrrolidine-1-carboxylate 2159972-02-6
rac-(3R,4R)-4-(4-bromo-1-methyl-1H-pyrazol-5-yl)pyrrolidin-3-ol 2165818-22-2
[1-(2,5-dimethylphenyl)-1H-pyrazol-5-yl]methanamine 2172542-61-7
[1-(3,4-difluorophenyl)-1H-pyrazol-5-yl]methanamine 2171989-05-0
methyl (2S)-2-amino-5,5-difluoropentanoate 2349536-89-4
[1-(3-chloro-4-fluorophenyl)-1H-pyrazol-5-yl]methanamine 2171956-96-8
[1-(3,5-difluorophenyl)-1H-pyrazol-5-yl]methanamine 2172015-10-8
{1-[2-fluoro-5-(trifluoromethyl)phenyl]-1H-pyrazol-5-yl}methanamine 2171848-75-0
Lithium 3-bromo-5-isopropylbenzenesulfinate 2731014-10-9
7-bromo-3-[(cyclopropylamino)methyl]-1,4-dimethyl-1H-indole-2-carbonitrile 2172060-28-3
3-[(cyclopropylamino)methyl]-1-methyl-4-(trifluoromethoxy)-1H-indole-2-carbonitrile 2171989-20-9
[5-cyclobutyl-1-(pentan-3-yl)-1H-1,2,3-triazol-4-yl]methanol 2171849-23-1
[5-cyclobutyl-1-(2,2,2-trifluoroethyl)-1H-1,2,3-triazol-4-yl]methanol 2171957-37-0
rac-tert-butyl (3R,4R)-3-hydroxy-4-(1-methyl-1H-imidazol-4-yl)pyrrolidine-1-carboxylate 2227706-59-2
4-(5-Methoxythiophen-2-yl)pyrrolidin-3-ol 2167097-26-7

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