5-Acetyl-8-hydroxy-2(1H)-quinolinone

5-乙酰基-2,8-二羟基喹啉

Also known as: 5-ACETYL-8-HYDROXY-1H-QUINOLIN-2-ONE, 5-ACETYL-QUINOLINE-2,8-DIOL, 5-Acetyl-8-hydroxycarbostyril, 5-Acetyl-8-hydroxyquinolin-2(1H)-one, 5-Acetyl-1,2-dihydro-8-hydroxy-2-oxoquinoline, 1-(1,2-Dihydro-8-hydroxy-2-oxoquinolin-5-yl)ethan-1-one, 5-Acetylquinoline-2,8-diol, 5-acetyl-8-hydroxy-1,2-dihydroquinolin-2-one

5-Acetyl-8-hydroxy-2(1H)-quinolinone (CAS 62978-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO3 and a molecular weight of 203.194 g/mol. It is also known as 5-ACETYL-8-HYDROXY-1H-QUINOLIN-2-ONE, 5-ACETYL-QUINOLINE-2,8-DIOL and 5-Acetyl-8-hydroxycarbostyril. Key properties include a melting point of >260ºC, a boiling point of 509.5±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 261.9±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
62978-73-8
Jingsj CID
J-1445911-5
Molecular Formula
C11H9NO3
Chinese Name
5-乙酰基-2,8-二羟基喹啉
Molecular Weight
203.194 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point>260ºC
Boiling Point509.5±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point261.9±30.1 °C

Frequently Asked Questions

What is the CAS number of 5-Acetyl-8-hydroxy-2(1H)-quinolinone?

The CAS number of 5-Acetyl-8-hydroxy-2(1H)-quinolinone is 62978-73-8.

What are the molecular formula and molecular weight of 5-Acetyl-8-hydroxy-2(1H)-quinolinone?

5-Acetyl-8-hydroxy-2(1H)-quinolinone has molecular formula C11H9NO3 and molecular weight 203.194 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Acetyl-8-hydroxy-2(1H)-quinolinone (CAS 62978-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445911-5 (accessed 2026-10-22).

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