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
4-Bromo-1-methyl-5-phenyl-3-(trifluoromethyl)pyrazole 1057659-73-0
(3,3-Difluoro-1-methylcyclobutyl)methanamine 1438241-16-7
Tert-butyl 4-(((tert-butyldiphenylsilyl)oxy)methyl)-3-azabicyclo[4.1.0]heptane-3-carboxylate 1417743-34-0
N-allyl-N-(1-((tert-butyldiphenylsilyl)oxy)pent-4-en-2-yl)-4-methylbenzenesulfonamide 1417743-30-6
(2R)-1-[4-(1,2-oxazol-5-yl)phenyl]propan-2-ol 1432620-19-3
2-Benzyloxycarbonylamino-5-[3-(9H-fluoren-9-ylmethoxycarbonylamino)-propyl]-benzoic acid methyl ester 1427502-24-6
4-Amino-2-cyclopropoxy-N,N-dimethylbenzamide 1243311-70-7
2,3-diamino-N-(4-fluoro-3-(trifluoromethyl)phenyl)benzamide 1421933-30-3
1-(2-Fluoro-5-methylpyridin-3-yl)ethanamine 1337159-71-3
4-Bromo-3-cyclopropoxy-N-methylpicolinamide 1243476-41-6
tert-Butyl 2-((2-cyanobenzyl)carbamoyl)piperidine-1-carboxylate 1420788-26-6
tert-Butyl 2-(3-(2-oxo-2-(pyridin-2-yl)ethoxy)propyl)piperidine-1-carboxylate 1420971-22-7
3-[(3-chloro-4-fluorophenyl)sulfonyl]-8-methoxy-4H-pyrimido[2,1-b][1,3]benzothiazol-4-one 1982158-93-9
methyl (2Z)-3-anilino-2-[(4-tert-butylphenyl)sulfonyl]acrylate 1327171-82-3
Tert-butyl ((1-(pyrimidin-2-yl)piperidin-2-yl)methyl)carbamate 1420889-55-9
4-((2-Oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy)butyl methanesulfonate 952308-48-4
trimethyl-(5-methyl-1H-indazol-7-yl)silane 1426579-40-9
2-(benzo[d]thiazol-2-ylthio)-N-(2-(imidazo[1,2-a]pyridin-2-yl)phenyl)acetamide 1798487-71-4
3-(1-Aminoethyl)-4-nitrophenol 1336955-07-7
N-(4-chlorobenzyl)-1,1,1-trifluoro-N-methylmethanamine 1420898-93-6
1-(4-(6-(1H-1,2,4-triazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)-2-phenylethanone 1798515-25-9
Tert-butyl ((1-((2-bromopyridin-4-yl)methyl)piperidin-3-yl)methyl)carbamate 1420868-28-5
Tert-butyl ((1-((3-(bromomethyl)phenyl)sulfonyl)piperidin-3-yl)methyl)carbamate 1420839-57-1
Tert-butyl ((1-((2-chloro-6-fluorobenzyl)sulfonyl)piperidin-3-yl)methyl)carbamate 1420966-75-1
(4-(6-(1H-1,2,4-triazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)(4-(1H-pyrrol-1-yl)phenyl)methanone 1795297-14-1
N-(2-methoxy-2-(o-tolyl)ethyl)thiophene-2-carboxamide 1797641-02-1
N-(2-(imidazo[2,1-b]thiazol-6-yl)phenyl)-1-methyl-1H-pyrazole-4-sulfonamide 1798546-53-8
4-(4-((2,3-dihydrobenzofuran-5-yl)sulfonyl)piperazin-1-yl)-6-(1H-1,2,4-triazol-1-yl)pyrimidine 1798517-01-7
2,3-dichloro-N-propylaniline hydrochloride 1803601-63-9
di-tert-butyl ((3R,5S)-1-(4-methoxybenzyl)piperidine-3,5-diyl)dicarbamate 1487317-12-3
3-Amino-2-methyl-N-((R)-1-phenylethyl)propanamide 1344972-95-7
1-(8-Isopropyl-2,8-diazaspiro[4.5]decan-2-yl)ethanone 1420841-07-1
4-((1-(3-(4-fluorophenoxy)benzoyl)azetidin-3-yl)oxy)-6-methyl-2H-pyran-2-one 1798639-63-0
2-Tert-butyl-5-cyclopropoxy-3-isopropoxypyridine 1243327-34-5
N-isopropylpyrazine-2-sulfonamide 1420850-79-8
4-acetamido-N-(2-amino-4-(trifluoromethyl)phenyl)benzamide 1550053-57-0
4-(Acetylamino)-N-(2-amino-6-fluorophenyl)benzamide 1550053-26-3
4-(Acetylamino)-N-(2-amino-5-bromophenyl)benzamide 1550053-34-3
1-(Quinolin-7-yl)ethanamine 151506-21-7
Cyclopropanecarboxylic acid,1-(4-hydroxy-1h-indol-5-yl)- 1314724-03-2
(1-(1-(1H-pyrrol-2-yl)ethyl)azetidin-3-yl)methanol 1420823-01-3
(3R)-1-(1-(pyridin-2-yl)ethyl)piperidin-3-ol 1421054-74-1
(3E,5E)-6-[(3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,6,12-trihydroxy-4,4,8,10,14-pentamethyl-2,3,5,6,7,9,11,12,13,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]hepta-3,5-dien-2-one 1520093-57-5
4-(Acetylamino)-N-(2-aminophenyl)-2-fluorobenzamide 1550053-44-5
2-[[3-(2-methylphenyl)-7-oxo-2-sulfanylidene-4,5,6,7a-tetrahydro-3aH-[1,3]thiazolo[4,5-d]pyrimidin-5-yl]sulfanyl]-N-(4-phenylbutan-2-yl)acetamide 1021251-54-6
N-(furan-2-ylmethyl)-2-[[3-(2-methylphenyl)-7-oxo-2-sulfanylidene-4,5,6,7a-tetrahydro-3aH-[1,3]thiazolo[4,5-d]pyrimidin-5-yl]sulfanyl]acetamide 1021215-52-0
Fimaporfin C 1421945-02-9
4-cyano-N-cyclobutylpyrrolidine-2-carboxamide 1073556-41-8
2-[[3-(2-methylphenyl)-7-oxo-2-sulfanylidene-4,5,6,7a-tetrahydro-3aH-[1,3]thiazolo[4,5-d]pyrimidin-5-yl]sulfanyl]-N-(2,4,6-trimethylphenyl)acetamide 1021251-56-8
N-(2,5-difluorophenyl)-2-[[3-(2-methylphenyl)-7-oxo-2-sulfanylidene-4,5,6,7a-tetrahydro-3aH-[1,3]thiazolo[4,5-d]pyrimidin-5-yl]sulfanyl]acetamide 1021215-57-5

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