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
Tert-butyl 3-(hydroxymethyl)-5-(trifluoromethyl)benzoate 2708278-45-7
5-(3-Amino-5-chlorophenyl)pyridine-2-carbaldehyde 2138118-70-2
(3-Fluoro-2-methoxyphenyl)methyl sulfamate 2228451-29-2
1-(2-methoxyethyl)-7-nitro-1H-1,2,3-benzotriazole-5-carboxylic acid 2287285-82-7
3-(Benzyloxy)-6-chloropyrazin-2-amine 2923540-12-7
3-Methyl-3-(2-methylpyridin-3-yl)butanoic acid 2228251-64-5
1-(3-Hydroxy-4-methoxyphenyl)-2,2-dimethylcyclopropane-1-carboxylic acid 2229201-25-4
3-[1-(cyclopropylmethyl)-1H-1,2,3-triazol-4-yl]propane-1-thiol 2229548-11-0
O-{2-methyl-2-[3-(trifluoromethyl)pyridin-2-yl]propyl}hydroxylamine 2229517-85-3
6-(Trifluoromethyl)-2,3-dihydro-4H-pyrano[2,3-C]pyridin-4-one 2708286-40-0
4-Bromo-1-chloro-2-(cyclobutyloxy)benzene 2011171-54-1
2-Methyl-1-(3-methyl-1-benzofuran-2-yl)propan-2-ol 2228265-82-3
N1-[1-(azetidin-3-yl)-1H-pyrazol-5-yl]propane-1,2-diamine 2138362-87-3
N,N-diethyl-4-{[1-(methylamino)cyclopropyl]methyl}aniline 2228490-23-9
1-methyl-4-[(2S)-oxiran-2-yl]-1H-imidazole 2136880-42-5
5-(2-fluoro-4-methylphenyl)-1H-imidazol-2-amine 2228751-43-5
4-(pentan-2-yl)-4H,5H,6H,7H-furo[3,2-c]pyridine 2002600-25-9
5-Chloro-2-hydroxy-3-methoxyphenyl sulfamate 2229594-14-1
1-[4-(3-Bromoprop-1-en-2-yl)phenyl]pyrrolidine 2229356-83-4
Methyl 3-(3-bromopyridin-4-yl)-2-hydroxypropanoate 2228883-80-3
2-Amino-3-methyl-3-(4-methylpyridin-3-yl)butanoic acid 2228131-97-1
2,3-Dihydro-2,7-dimethyl-1,4,2-benzodithiaphosphorin 50636-30-1
{1-[(1,5-dimethyl-1H-pyrazol-3-yl)methyl]cyclopropyl}methanamine 2012782-16-8
1-[5-Chloro-2-(difluoromethoxy)phenyl]cyclopropan-1-ol 2228538-29-0
3-[1-(1-Aminoethyl)cyclopropyl]-4-nitrophenol 2229447-03-2
tert-butyl N-[1-(2-fluoro-3-nitrophenyl)-2-oxoethyl]-N-methylcarbamate 2229430-58-2
Tert-butyl 2-amino-5,6-dichloropyridine-3-carboxylate 2764008-83-3
2-(2,6-Difluoro-4-methoxyphenyl)-2-{[(prop-2-en-1-yloxy)carbonyl]amino}acetic acid 2763906-40-5
1-(2,3-dichlorobenzoyl)-5-methoxy-2-methyl-3-[2-(morpholin-4-yl)ethyl]-2,3-dihydro-1H-indole 2736203-57-7
Methyl[2-methyl-4-(morpholin-4-yl)butan-2-yl]amine 2228534-68-5
4-Amino-3-(4-acetamidophenyl)butanoic acid 2228485-87-6
2-chloro-N-(2-{2,4-dioxo-5-[(pyridin-3-yl)methylidene]-1,3-thiazolidin-3-yl}ethyl)acetamide hydrochloride 2197131-61-4
tert-butyl (2R)-2-amino-3-(2-methylquinolin-6-yl)propanoate 2349580-54-5
2-Tert-butyl-4-ethylphenyl 4-methylbenzene-1-sulfonate 2757955-33-0
(3,4,5-Trimethoxyphenyl)methyl 4-methylbenzene-1-sulfonate 2159570-82-6
Methyl(piperidin-4-yl)sulfamoyl chloride 2757900-41-5
tert-butyl N-[2-chloro-4-(3-chloroprop-1-en-2-yl)phenyl]carbamate 2228635-27-4
3-Methylpiperazine-1-sulfonyl chloride 2757958-34-0
Benzyl (2-azabicyclo[2.1.1]hexan-4-yl)carbamate 2770347-93-6
(2R)-4-(2,6-difluoro-3-nitrophenyl)butan-2-amine 2227776-33-0
2-[(2,6-Dichloro-5-fluoropyridin-3-yl)oxy]acetic acid 2229201-42-5
1-(2-Fluoro-4-hydroxyphenyl)prop-2-en-1-one 2228496-46-4
(2R)-4-(2,2-dimethylthiolan-3-yl)butan-2-amine 2228080-30-4
1-(2-methoxyethyl)-1H-indol-5-amine hydrochloride 2763756-75-6
1-{1-[3-(Propan-2-yl)phenyl]cyclopropyl}ethan-1-ol 2229201-73-2
Tert-butyl 3-[(5-aminopyridin-2-yl)oxy]cyclobutane-1-carboxylate 2764022-07-1
1-(1-cyclopentyl-1H-pyrazol-3-yl)methanamine dihydrochloride 2763754-87-4
2-oxo-1H,2H,3H,5H-pyrido[2,3-e][1,4]oxazepine-7-carboxylic acid 2763931-57-1
3-(4-Nitrophenyl)-2-aziridinecarboxamide 91085-71-1
Propan-2-yl 1-(aminomethyl)-3-oxocyclobutane-1-carboxylate 2764007-83-0

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