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
3-Bromo-4-chloro-5-nitrobenzonitrile 1541253-44-4
3-Amino-5-bromo-4-chlorobenzonitrile 1541253-45-5
Methyl 3-bromo-5-((tert-butoxycarbonyl)amino)-4-chlorobenzoate 1541253-52-4
Methyl 3-(bis(tert-butoxycarbonyl)amino)-5-bromo-4-chlorobenzoate 1541253-54-6
3-Bromo-5-((tert-butoxycarbonyl)amino)-4-chlorobenzoic acid 1541253-56-8
Tert-butyl methyl (5-bromo-4-chloro-1,3-phenylene)dicarbamate 1541253-57-9
Tert-butyl (3-bromo-2-chloro-5-(hydroxymethyl)phenyl)carbamate 1541253-63-7
ethyl 1-((ethoxycarbonyl)amino)-1H-imidazole-2-carboxylate 1541253-67-1
3-Amino-4-chloro-5-(piperazin-1-yl)benzonitrile 1541253-75-1
Tert-butyl (1-(3-amino-2-chloro-5-cyanophenyl)piperidin-4-yl)carbamate 1541253-80-8
Tert-butyl (3-bromo-2-chloro-5-cyanophenyl)carbamate 1541253-43-3
3-Amino-5-(4-((tert-butyldimethylsilyl)oxy)piperidin-1-yl)-4-chlorobenzonitrile 1541253-84-2
tert-butyl 5-amino-3,4-dihydro-2,7-naphthyridine-2(1H)-carboxylate 1613199-18-0
5-Fluoro-4-(1-methylpiperidin-4-yl)pyridin-3-amine 1613199-65-7
5-(1-Chloroethyl)-3-(3,4,5-trifluorophenyl)-4,5-dihydro-1,2-oxazole 1557686-97-1
6-methyl-4-(5-nitro-2-(tetrahydro-2H-pyran-4-yloxy)phenyl)-1H-pyrrolo[2,3-c]pyridin-7(6H)-one 1445993-94-1
4-(2,4-Difluorophenoxy)-3-nitrobenzenesulfonamide 1446236-05-0
Benzene, 2-bromo-1-fluoro-4-[(trifluoromethyl)thio]- 1446236-95-8
1-((3-Bromo-4-fluorophenyl)sulfonyl)-3,3-difluoroazetidine 1446236-43-6
N-((3-(Amino(4-methoxyphenyl)methyl)-1H-1,2,4-triazol-5-yl)methyl)-3-methoxyaniline 1707585-95-2
(4-Chlorophenyl)(5-(o-tolyl)-1H-1,2,4-triazol-3-yl)methanamine 1708159-71-0
Phenylmethyl 3-amino-4H-pyrrolo[3,4-c]isoxazole-5(6H)-carboxylate 14299-24-2
(3-Cyano-phenyl)-hydroxy-acetic acid 54440-91-4
(5-(2-Chlorophenyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine 1707735-74-7
(4-Fluorophenyl)(5-(3-(trifluoromethyl)phenyl)-1H-1,2,4-triazol-3-yl)methanamine 1707375-94-7
3-Amino-2-(2,6-difluoro-3-methylphenyl)propanoic acid 1784251-48-4
Ethyl 3-cyano-4-oxopyrrolidine-1-carboxylate 7126-58-1
3-(3-(Amino(phenyl)methyl)-1H-1,2,4-triazol-5-yl)phenol 1710846-30-2
(3-(Amino(3-methoxyphenyl)methyl)-1H-1,2,4-triazol-5-yl)methanol 1713462-21-5
(3-Methoxyphenyl)(1-methyl-1H-1,2,4-triazol-3-yl)methanamine 1707392-52-6
2-[2-(Bromomethyl)butyl]-4-methyl-1,3-thiazole 1507391-47-0
4,4-Dimethoxy-2-methylbutane-1-amine 1334541-20-6
(5-(3-Fluorophenyl)-1H-1,2,4-triazol-3-yl)(4-methoxyphenyl)methanamine 1707376-36-0
(4-Chlorophenyl)(5-ethyl-1H-1,2,4-triazol-3-yl)methanamine 1707569-06-9
(5-(4-(tert-Butyl)phenyl)-1H-1,2,4-triazol-3-yl)(4-chlorophenyl)methanamine 1708428-78-7
2-Bromo-4,5,6-trimethyl-3-pyridinecarbonitrile 1251761-21-3
(4-Fluorophenyl)(5-((3-nitrophenoxy)methyl)-1H-1,2,4-triazol-3-yl)methanamine 1707373-16-7
(1,5-Dimethyl-1H-1,2,4-triazol-3-yl)(3-methoxyphenyl)methanamine 1708080-40-3
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, zinc salt 24468-28-8
(5-Cyclopropyl-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine 1707392-41-3
(4-Fluorophenyl)(5-(m-tolyl)-1H-1,2,4-triazol-3-yl)methanamine 1707394-87-3
(4-Fluorophenyl)(5-(3-fluorophenyl)-1H-1,2,4-triazol-3-yl)methanamine 1710846-26-6
(5-((4-(tert-Butyl)phenoxy)methyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine 1707373-17-8
Phenyl(5-(pyridin-3-yl)-1H-1,2,4-triazol-3-yl)methanamine 1708081-10-0
(3-Methoxyphenyl)(5-(2-methoxyphenyl)-1H-1,2,4-triazol-3-yl)methanamine 1710846-43-7
(5-(Furan-2-yl)-1H-1,2,4-triazol-3-yl)(4-methoxyphenyl)methanamine 1707376-19-9
3-Hydroxyazetidine-3-carbonitrile 1527935-38-1
Benzenemethanamine, 4-fluoro-3,5-dimethyl-N-[2-(trifluoromethoxy)ethyl]- 1502280-73-0
(5-(tert-Butyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine 1707585-74-7
(3-Methoxyphenyl)(5-(o-tolyl)-1H-1,2,4-triazol-3-yl)methanamine 1707585-87-2

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