8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE

Also known as: 8-hydroxy-3,4-dihydroquinolin-2(1H)-one, 8-Hydroxy-2(1H)-3,4-dihydroquinolinone, 8-Hydroxy-3,4-dihydro-2(1H)-quinolinone, 8-Hydroxy-3,4-dihydro-2-quinolinone, 8-Hydroxy-3,4-dihydrocarbostyril, 8-hydroxy-1,2,3,4-tetrahydroquinolin-2-one, 8-hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline, 8-hydroxy-3,4-dihydro-1H-quinolin-2-one, 3,4-Dihydro-8-hydroxy-2(1H)-quinolinone, Aripiprazole Impurity 5, Brexpiprazole Impurity 71, Aripiprazole Impurity 1789, 2(1H)-Quinolinone, 3,4-dihydro-8-hydroxy-, N1-(2-chloroethyl)-N2-(2,3-dichlorophenyl)ethane-1,2-diamine

8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE (CAS 52749-50-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO2 and a molecular weight of 163.173 g/mol. Key properties include a boiling point of 381.9±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 184.8±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52749-50-5

Jingsj CID

J-1504228-1

Molecular Formula

C₉H₉NO₂

Molecular Weight

163.173 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026