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

8-羟基-3,4-二氢-2(1H)-喹啉酮

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. It is also known as 8-hydroxy-3,4-dihydroquinolin-2(1H)-one, 8-Hydroxy-2(1H)-3,4-dihydroquinolinone and 8-Hydroxy-3,4-dihydro-2(1H)-quinolinone. 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-1504228-2
Molecular Formula
C9H9NO2
Chinese Name
8-羟基-3,4-二氢-2(1H)-喹啉酮
Molecular Weight
163.173 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point381.9±42.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point184.8±27.9 °C

Frequently Asked Questions

What is the CAS number of 8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE?

The CAS number of 8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE is 52749-50-5.

What are the molecular formula and molecular weight of 8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE?

8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE has molecular formula C9H9NO2 and molecular weight 163.173 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "8-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE (CAS 52749-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504228-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.