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-N-[2-(3-methylphenyl)-4-oxo-4H-chromen-6-yl]benzamide 923186-35-0
4-chloro-N-[2-(4-methoxyphenyl)-4-oxo-4H-chromen-6-yl]benzenesulfonamide 923166-48-7
4-chloro-N-(2-(2-methoxyphenyl)-4-oxo-4H-chromen-6-yl)benzenesulfonamide 923193-64-0
N-[2-(4-ethoxyphenyl)-4-oxo-4H-chromen-6-yl]-3,4-dimethoxybenzamide 923216-94-8
3,4,5-trimethoxy-N-[2-(4-methylphenyl)-4-oxo-4H-chromen-6-yl]benzamide 923166-06-7
N-[2-(4-tert-butylphenyl)-4-oxo-4H-chromen-6-yl]-4-methylbenzenesulfonamide 923191-90-6
4-bromo-N-[2-(4-methoxyphenyl)-4-oxo-4H-chromen-6-yl]benzamide 923673-20-5
4-bromo-N-(2-(2-methoxyphenyl)-4-oxo-4H-chromen-6-yl)benzamide 923164-81-2
N-[2-(4-ethoxyphenyl)-4-oxochromen-7-yl]-2,2-dimethylpropanamide 923174-35-0
N-(2-(4-ethoxyphenyl)-4-oxo-4H-chromen-7-yl)furan-2-carboxamide 923156-35-8
N-(2-(2-ethoxyphenyl)-4-oxo-4H-chromen-7-yl)nicotinamide 923256-63-7
N-(2-(2-ethoxyphenyl)-4-oxo-4H-chromen-7-yl)thiophene-2-carboxamide 923186-25-8
N-[2-(4-ethoxyphenyl)-4-oxo-4H-chromen-7-yl]-2-methylbenzamide 923185-72-2
N-[2-(2-ethoxyphenyl)-4-oxo-4H-chromen-7-yl]-4-fluorobenzamide 923186-23-6
N-[2-(4-ethoxyphenyl)-4-oxo-4H-chromen-7-yl]-2-fluorobenzamide 923257-37-8
4-tert-butyl-N-[2-(4-ethoxyphenyl)-4-oxo-4H-chromen-7-yl]benzamide 923139-93-9
4-tert-butyl-N-[2-(4-tert-butylphenyl)-4-oxo-4H-chromen-7-yl]benzamide 923140-74-3
N-{[3-(2,3-dihydro-1,4-benzodioxine-6-sulfonyl)-1,3-oxazolidin-2-yl]methyl}-N'-[2-(3,4-dimethoxyphenyl)ethyl]ethanediamide 868982-33-6
4-bromo-N-[2-(4-ethoxyphenyl)-4-oxo-4H-chromen-7-yl]benzamide 923140-15-2
N-(sec-butyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide 921882-97-5
(2-Amino-5-nitrophenyl)(2-chlorophenyl)methanone Phthalimido 2245694-97-5
N-(2,2-diethoxyethyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide 921516-25-8
(S)-1-(6-(Hydroxymethyl)pyridin-2-yl)ethan-1-ol 207735-35-1
2-Fluoro-1-isocyano-4-nitrobenzene 1403763-15-4
4-methoxy-N-(4-methoxybenzyl)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide 1005302-17-9
6-[(6-fluoro-2-methyl-3,4-dihydroquinolin-1(2H)-yl)carbonyl]-5-methoxy-2-phenylpyridazin-3(2H)-one 1005296-35-4
N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzo[d][1,3]dioxole-5-carboxamide 99139-83-0
N-mesityl-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide 1005302-48-6
5-methoxy-6-[(3-methylpiperidino)carbonyl]-2-phenyl-3(2H)-pyridazinone 1005302-69-1
N-(3,3-diphenylpropyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide 1005296-57-0
4-methoxy-6-oxo-1-(o-tolyl)-N-(4-(trifluoromethoxy)phenyl)-1,6-dihydropyridazine-3-carboxamide 941969-28-4
4-bromomethyl-5-chloro-1-methyl-3-trifluoromethyl-1H-pyrazole 479638-62-5
1,2-Bis(2,5-dimethylthiophen-3-yl)ethane-1,2-dione 301662-11-3
Ethyl 4-(2-Benzyloxyphenoxy)-butyrate 144879-22-1
N-benzyl-4-methoxy-1-(2-methylphenyl)-6-oxo-N-phenyl-1,6-dihydropyridazine-3-carboxamide 1005303-12-7
6-(4-(furan-2-carbonyl)piperazine-1-carbonyl)-5-methoxy-2-(p-tolyl)pyridazin-3(2H)-one 941879-46-5
N-(2-chloro-5-(trifluoromethyl)phenyl)-4-methoxy-6-oxo-1-(p-tolyl)-1,6-dihydropyridazine-3-carboxamide 942005-15-4
4-methoxy-6-oxo-1-(p-tolyl)-N-(4-(trifluoromethoxy)phenyl)-1,6-dihydropyridazine-3-carboxamide 941927-01-1
N-(4-bromo-2-methylphenyl)-4-methoxy-1-(4-methylphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxamide 1005296-94-5
rel-(6R,8S)-6,8-Hentriacontanediol 155800-88-7
4-methoxy-N,1-bis(4-methylphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxamide 1005296-99-0
4-methoxy-1-(4-methylphenyl)-6-oxo-N-(1-phenylethyl)-1,6-dihydropyridazine-3-carboxamide 1005297-08-4
2-(4-fluorophenyl)-5-methoxy-6-(2-methylpiperidine-1-carbonyl)pyridazin-3(2H)-one 921836-24-0
(2,6-Dichlorophenyl)methanesulfonamide 103482-25-3
2,4-Dichloro-6-cyanoamino-sym-triazine 49629-47-2
Ethyl 1-(1-(4-fluorophenyl)-4-methoxy-6-oxo-1,6-dihydropyridazine-3-carbonyl)piperidine-3-carboxylate 941969-54-6
1-(4-fluorophenyl)-4-methoxy-N-(6-nitrobenzo[d]thiazol-2-yl)-6-oxo-1,6-dihydropyridazine-3-carboxamide 941969-64-8
N-(3,4-dimethylphenyl)-1-(4-fluorophenyl)-4-methoxy-6-oxo-1,6-dihydropyridazine-3-carboxamide 941927-28-2
2-((1-(2-oxo-2-(piperidin-1-yl)ethyl)-1H-indol-3-yl)sulfonyl)-N-(o-tolyl)acetamide 878058-50-5
2-((1-(2-oxo-2-(piperidin-1-yl)ethyl)-1H-indol-3-yl)sulfonyl)-N-(m-tolyl)acetamide 878058-53-8

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