5-Hydroxy-3,4-dihydroquinolin-2(1H)-one

5-羟基-3,4-二氢-2-喹啉酮

Also known as: 5-Hydroxy-3,4-dihydro-2(1H)-quinolinone, 3,4-Dihydro-5-hydroxy-2(1H)-quinolinone, 5-Hydroxy-3,4-dihydro-1H-quinolin-2-one, 3,4-Dihydro-5-hydroxy-1H-quinolin-2-one, 5-Hydroxy-3,4-dihydrocarbostyril, 3,4-Dihydro-5-hydroxycarbostyril, 2(1H)-Quinolinone, 3,4-dihydro-5-hydroxy-, 5-Hydroxy-2(1H)-3,4-dihydroquinolinone

5-Hydroxy-3,4-dihydroquinolin-2(1H)-one (CAS 30389-33-4) 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. It is also known as 5-Hydroxy-3,4-dihydro-2(1H)-quinolinone, 3,4-Dihydro-5-hydroxy-2(1H)-quinolinone and 5-Hydroxy-3,4-dihydro-1H-quinolin-2-one. Key properties include a melting point of 225-227ºC, a boiling point of 381.2±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 184.3±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

30389-33-4

Jingsj CID

J-1154316-1

Molecular Formula

C₉H₉NO₂

Chinese Name

5-羟基-3,4-二氢-2-喹啉酮

Molecular Weight

163.173 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026