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-(4-fluorophenyl)-N-[(methoxyimino)methyl]-1-oxo-1,2-dihydro-4-isoquinolinecarboxamide 339106-97-7
2-(Ethylsulfanyl)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-ol 672950-80-0
6-Amino-2-methylsulfanyl-5-((3S,4R,5R)-3,4,5-trihydroxy-tetrahydro-pyran-2-ylamino)-3H-pyrimidin-4-one 328553-64-6
4(1H)-Pyrimidinone, 6-amino-5-(beta-L-arabinopyranosylamino)-2-(methylthio)- 328553-65-7
3A-amino-hexahydro-5lambda6-thieno[3,4-c]furan-5,5-dione 2059987-51-6
2-(((2-aminophenyl)thio)methyl)quinazolin-4(3H)-one 657350-40-8
2-({[2-(4-Hexanoylpiperazin-1-yl)ethyl]amino}methylidene)-5-(thiophen-2-yl)cyclohexane-1,3-dione 586986-12-1
4-(4-Chlorophenyl)-3-cyano-6-oxo-5-(1-pyridiniumyl)-1,4,5,6-tetrahydro-2-pyridinylsulfide 338786-25-7
4-fluoro-N-(4-oxo-3,4,5,6,7,8-hexahydro-2-quinazolinyl)benzenecarboxamide 338401-47-1
N-(2-ethoxyphenyl)-2-((6-oxo-4-phenyl-1,6-dihydropyrimidin-2-yl)thio)acetamide 518017-86-2
N-(4-ethoxyphenyl)-2-((5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)acetamide 872628-48-3
1,3-Dibenzyl-5-(benzylcarbamoyl)triazol-3-ium-4-olate 6127-79-3
2-amino-5-(4-ethylphenyl)-5,8-dihydropyrido[2,3-d]pyrimidine-4,7(3H,6H)-dione 878437-09-3
Methyl 2-(ethylthio)-7-methyl-4-oxo-5-pyridin-3-yl-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate 537004-70-9
Isopropyl 7-methyl-2-(methylthio)-4-oxo-5-(pyridin-4-yl)-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate 537045-88-8
(2E,5Z)-2-[(2-bromophenyl)imino]-5-(pyridin-3-ylmethylidene)-1,3-thiazolidin-4-one 674818-05-4
(5Z)-2-{[4-chloro-2-(trifluoromethyl)phenyl]amino}-5-(pyridin-3-ylmethylidene)-1,3-thiazol-4(5H)-one 849032-08-2
2-[[2-(2,5-Dichlorophenyl)-2-oxoethyl]thio]-6-propyl-4(3H)-pyrimidinone 721908-08-3
2-{[4-(3-nitrophenyl)-1,3-thiazol-2-yl]amino}-6-(trifluoromethyl)-4(3H)-pyrimidinone 866142-60-1
N-(3,5-bis(trifluoromethyl)phenyl)-2-(4-oxo(3-hydroquinazolin-2-ylthio))propanamide 1023836-94-3
N-(4-amino-6-oxo-2-((2-oxo-2-(((tetrahydrofuran-2-yl)methyl)amino)ethyl)thio)-1,6-dihydropyrimidin-5-yl)thiophene-2-carboxamide 868225-76-7
2-(Furan-2-YL)pyrazolo[1,5-C]quinazolin-5(6H)-one 178624-94-7
1-Chloro-1-(2-(difluoromethyl)phenyl)propan-2-one 1803846-60-7
1-(5-Amino-2-(bromomethyl)phenyl)-2-bromopropan-1-one 1806294-27-8
1-(3-Chloro-2-(trifluoromethylthio)phenyl)hydrazine 1803763-24-7
(2Z)-2-[(2,5-dimethoxyphenyl)imino]-7-hydroxy-N-(pyridin-2-yl)-2H-chromene-3-carboxamide 1228170-69-1
4-(1,3-benzothiazol-2-yl)-1-(2-hydroxypropyl)-5-imino-2H-pyrrol-3-ol 851176-34-6
1-(4-oxo-3H-quinazolin-2-yl)ethyl 5-methylfuran-2-carboxylate 851399-69-4
N-[(2,4-dichlorobenzyl)oxy]-N-[(methoxyimino)methyl]urea 338395-17-8
1-[(2,6-Dichlorophenyl)methoxy]-3-(methoxyiminomethyl)urea 338395-28-1
4-(4-ethoxyanilino)-5-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-3H-1,3-thiazol-2-one 469871-55-4
(5Z)-5-[[4-(dimethylamino)phenyl]methylidene]-4-(4-methoxyanilino)-2-thiazolone 1164451-66-4
5-amino-4-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-1-(3-methylbutyl)-1,2-dihydro-3H-pyrrol-3-one 380446-38-8
8-(4-Fluorophenyl)-9-(4-methoxyphenyl)-4,9-dihydrotetrazolo[1',5':1,2]pyrimido[4,5-d]pyridazin-5-ol 893772-24-2
6-hexyl-2-imino-3-(4-phenylthiazol-2-yl)-2H-chromen-7-ol 320741-53-5
2-[(1,1-Dioxido-1,2-benzisothiazol-3-yl)amino]-3-methylbutanoic acid 1396968-55-0
2-[(1,1-Dioxido-1,2-benzisothiazol-3-yl)amino]-4-(methylthio)butanoic acid 1396999-66-8
3-Cyclohexene-1,2-diol, 3-ethyl- 1823569-27-2
2-Bromo-6-[(piperidin-3-yl)methyl]pyridine 1337201-61-2
5,6,7,8-Tetrahydro-2-(methoxymethyl)pyrido[3,4-d]pyrimidine 1159882-44-6
2-(1-Chloro-2-oxopropyl)-5-hydroxybenzoic acid 1805731-66-1
2-Amino-3-(bicyclo[2.2.2]octan-1-yl)propanoic acid 1822465-67-7
2-Amino-3-(6-bromopyridin-3-yl)propan-1-ol 1379149-84-4
2-(2-Amino-3-hydroxypropyl)-6-bromo-4-chlorophenol 1380141-03-6
Methyl 3-cyclopentylpyrrolidine-3-carboxylate 1823815-61-7
2-(2-Bromopropanoyl)-6-chlorobenzoic acid 1806632-98-3
2-[2-(Methylamino)-4-oxo-4,5-dihydro-1,3-thiazol-5-yl]acetic acid 56787-98-5
2-Methoxy-1-(3-methylazetidin-3-yl)ethan-1-one 1935517-26-2
1-(3-Methylazetidin-3-yl)pent-4-yn-1-one 1935401-27-6
2,2-Dimethyl-1-(3-methylazetidin-3-yl)propan-1-one 1934711-41-7

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