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-Methoxybenzyl)-5-(1-(phenylsulfonyl)piperidin-4-yl)-1,3,4-thiadiazole 1170458-16-8
3-Acetyl-8-fluoroquinolin-4(1H)-one 1023294-06-5
2-(1-(Ethylsulfonyl)piperidin-4-yl)-5-(4-methoxybenzyl)-1,3,4-thiadiazole 1172837-19-2
6-chloro-N-(4-methoxyphenyl)imidazo[1,2-a]pyridine-2-carboxamide 1010882-07-1
1-(3,4-Difluorobenzoyl)piperidin-3-ol 1154913-75-3
Ethyl (2-hydroxyethoxy)acetate 194870-76-3
N,N-dimethyl-4-(3-(5-methyl-1,3,4-thiadiazol-2-yl)piperidine-1-carbonyl)benzenesulfonamide 1172547-25-9
(4-Chlorophenyl)(3-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone 1173084-84-8
Cyclohexyl(3-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone 1170897-66-1
(1S)-1-(3,4-Dimethoxyphenyl)-1,2-ethanediol 326491-80-9
1-(3-Hydroxypiperidin-1-yl)-2-(4-methylphenyl)ethan-1-one 1156146-10-9
(3,4-Difluorophenyl)(3-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone 1105228-93-0
(2-Fluorophenyl)(3-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone 1105202-29-6
1-(3-(5-Methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)-2-phenoxyethanone 1105229-00-2
4-(3-(5-(2-fluorophenyl)-1,3,4-thiadiazol-2-yl)piperidine-1-carbonyl)-N,N-dimethylbenzenesulfonamide 1170794-34-9
(R)-1-Methyl-2-phenoxymethyl-pyrrolidine 182323-70-2
6-Bromo-7-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one 1154917-10-8
1-benzyl-N-methyl-2-oxo-N-phenyl-1,2-dihydro-1,8-naphthyridine-3-carboxamide 946232-71-9
Pyrazine, 2-bromo-6-(3-methylphenyl)- 1086383-08-5
N-(2-aminophenyl)-1,1,1-trifluoromethanesulfonamide 53718-45-9
propan-2-yl [3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetate 1219568-57-6
N-(2-fluorobenzyl)-2-(1H-tetrazol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide 1219555-34-6
N-(3,3-diphenylpropyl)-2-[3-(2-fluorophenyl)-6-oxo-1(6H)-pyridazinyl]acetamide 1219562-23-8
N-(4-butylphenyl)-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxamide 1236263-68-5
methyl 4-methyl-3-({[4-(pyridin-3-yl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate 1219569-77-3
N-(2-methylpropyl)-2-(2,3,5,9-tetramethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)acetamide 1219545-77-3
4-isopropyl-1,5-dioxo-N-(3,4,5-trimethoxyphenyl)-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxamide 1236263-69-6
N-[2-(5-chloro-1H-indol-3-yl)ethyl]-2-(1H-indol-1-yl)acetamide 1219570-09-8
1-((3AS,6aS)-hexahydropyrrolo[3,4-b]pyrrol-5(1H)-yl)ethan-1-one 1932287-32-5
methyl 6-(4-(4-methoxyphenyl)-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-5-carboxamido)hexanoate 1219588-48-3
4-{[3-(4-bromo-1H-indol-1-yl)propanoyl]amino}butanoic acid 1219555-46-0
propyl 4-({[1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazolin-3(1H)-yl]carbonyl}amino)benzoate 1236260-86-8
N-[(2-methyl-1H-indol-1-yl)acetyl]glycylglycine 1219545-10-4
2-(6-bromo-1H-indol-1-yl)-N-[2-(1H-imidazol-4-yl)ethyl]acetamide 1219561-48-4
4-({3-[5-(benzyloxy)-1H-indol-1-yl]propanoyl}amino)butanoic acid 1219562-71-6
4-{[3-(4-methoxy-1H-indol-1-yl)propanoyl]amino}butanoic acid 1219577-40-8
2-(4-aminopiperidin-1-yl)-N-(3-methylbutyl)acetamide 1153252-57-3
2-(4-Aminopiperidin-1-yl)-1-(4-methylpiperidin-1-yl)ethan-1-one 1153135-51-3
1,5-dioxo-N-(3,4,5-trimethoxyphenyl)-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxamide 1236256-92-0
4-Chloro-2-(3-chlorophenyl)-6-phenylpyrimidine 1155152-53-6
3-(3,4-dimethoxyphenyl)-N-[2-(1H-indol-3-yl)ethyl]-2-methyl-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxamide 1219584-87-8
(S)-2-(4-aminophenyl)-7-methoxy-8-(5-((S)-7-methoxy-2-(4-methoxyphenyl)-5-oxo-5,11a-dihydro-1H-pyrrolo[2,1-c][1,4]benzodiazepine-8-yloxy)pentyloxy)-1H-pyrrolo[2,1-c][1,4]benzodiazepine-5(11aH)-one 1222490-37-0
N-(2-chlorobenzyl)-3-(3-oxo-1,2-benzothiazol-2(3H)-yl)propanamide 1219588-31-4
N-[4-(2-hydroxyethyl)phenyl]-2-(2-phenyl-1H-indol-1-yl)acetamide 1219569-26-2
N-(3-chloro-4-methoxyphenyl)-2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)acetamide 1219579-90-4
methyl 3-({[4-(3-fluorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)-4-methylbenzoate 1219584-27-6
Sodium 1,1,1-trifluoro-4-(2-methylphenyl)-4-oxobut-2-en-2-olate 1015534-16-3
N-(3-Chlorobenzoyl)valine methyl ester 205108-28-7
N-(4-fluorophenyl)-5-hydroxy-1-oxo-2,3-dihydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxamide 1236265-59-0
2-(2-{4-[(4-fluorophenyl)sulfonyl]-1-piperazinyl}-2-oxoethyl)-6-phenyl-3(2H)-pyridazinone 1219538-90-5

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