4-Hydroxy-1-methyl-3-phenylquinolin-2(1H)-one

4-羟基-1-甲基-3-苯基喹啉-2(1H)-酮

Also known as: 4-Hydroxy-1-methyl-3-phenyl-1,2-dihydroquinolin-2-one, 4-Hydroxy-1-methyl-3-phenyl-2(1H)-quinolinone, 1-Methyl-3-phenyl-4-hydroxyquinoline-2(1H)-one, Arboricin, Arboricine, NSC-675808, Repirinast Impurity 1

4-Hydroxy-1-methyl-3-phenylquinolin-2(1H)-one (CAS 519-66-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H13NO2 and a molecular weight of 251.28000 g/mol. It is also known as 4-Hydroxy-1-methyl-3-phenyl-1,2-dihydroquinolin-2-one, 4-Hydroxy-1-methyl-3-phenyl-2(1H)-quinolinone and 1-Methyl-3-phenyl-4-hydroxyquinoline-2(1H)-one. Key properties include a melting point of 225-226ºC, a boiling point of 404.5ºC at 760 mmHg, a density of 1.293 g/cm3 and a flash point of 198.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

519-66-4

Jingsj CID

J-1493478-6

Molecular Formula

C₁₆H₁₃NO₂

Chinese Name

4-羟基-1-甲基-3-苯基喹啉-2(1H)-酮

Molecular Weight

251.28000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026