4-Hydroxy-1-methyl-3-[[4-(phenylazo)phenyl]azo]-2(1H)-quinolinone

4-羟基-1-甲基-3-[[4-(苯偶氮基)苯基]偶氮基]-2(1H)-喹啉酮

Also known as: 2(1H)-Quinolinone, 4-hydroxy-1-methyl-3-[[4-(phenylazo)phenyl]azo]- (9CI), Carbostyril, 4-hydroxy-1-methyl-3-[[p-(phenylazo)phenyl]azo]- (7CI), 4-Hydroxy-1-methyl-3-((4-(phenylazo)phenyl)azo)-2-quinolone, (3Z)-1-Methyl-3-[(4-phenyldiazenylphenyl)hydrazinylidene]quinoline-2,4-dione, C.I. Disperse Yellow 56, Disperse Yellow 56-Methyl (technical), EINECS 277-360-2, 2(1H)-Quinolinone, 4-hydroxy-1-methyl-3-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, 2(1H)-Quinolinone, 4-hydroxy-1-methyl-3-(2-(4-(2-phenyldiazenyl)phenyl)diazenyl)

4-Hydroxy-1-methyl-3-[[4-(phenylazo)phenyl]azo]-2(1H)-quinolinone (CAS 73287-67-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C22H17N5O2 and a molecular weight of 383.40300 g/mol. It is also known as 2(1H)-Quinolinone, 4-hydroxy-1-methyl-3-[[4-(phenylazo)phenyl]azo]- (9CI), Carbostyril, 4-hydroxy-1-methyl-3-[[p-(phenylazo)phenyl]azo]- (7CI) and 4-Hydroxy-1-methyl-3-((4-(phenylazo)phenyl)azo)-2-quinolone. Key properties include a boiling point of 581.977ºC at 760 mmHg, a density of 1.296g/cm3 and a flash point of 305.769ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

73287-67-9

Jingsj CID

J-1167343-5

Molecular Formula

C₂₂H₁₇N₅O₂

Chinese Name

4-羟基-1-甲基-3-[[4-(苯偶氮基)苯基]偶氮基]-2(1H)-喹啉酮

Molecular Weight

383.40300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026