5-Hydroxyquinolin-2(1H)-one
5-羟基-2(1H)-喹啉酮
Also known as: 2(1H)-Quinolinone,5-hydroxy-, 5-HYDROXY-2(1H)-QUINOLINONE, 5-Hydroxy-1H-quinolin-2-one, 5-Hydroxy-2(1H)-quinolone, 5-Hydroxycarbostyril, 5-hydroxy-1,2-dihydroquinolin-2-one, 5-hydroxy-2-quinolone, hydroxyquinolinone, Brexpiprazole Impurity 27, NSC 134652
5-Hydroxyquinolin-2(1H)-one (CAS 31570-97-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO2 and a molecular weight of 161.15700 g/mol. It is also known as 2(1H)-Quinolinone,5-hydroxy-, 5-HYDROXY-2(1H)-QUINOLINONE and 5-Hydroxy-1H-quinolin-2-one. Key properties include a melting point of >300ºC, a boiling point of 402.4ºC at 760mmHg and a density of 1.337g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31570-97-5
- Jingsj CID
- J-1340458-5
- Molecular Formula
- C9H7NO2
- Chinese Name
- 5-羟基-2(1H)-喹啉酮
- Molecular Weight
- 161.15700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|---|
| Boiling Point | 402.4ºC at 760mmHg |
| Density | 1.337g/cm3 |
Frequently Asked Questions
What is the CAS number of 5-Hydroxyquinolin-2(1H)-one?
The CAS number of 5-Hydroxyquinolin-2(1H)-one is 31570-97-5.
What are the molecular formula and molecular weight of 5-Hydroxyquinolin-2(1H)-one?
5-Hydroxyquinolin-2(1H)-one has molecular formula C9H7NO2 and molecular weight 161.15700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Hydroxyquinolin-2(1H)-one (CAS 31570-97-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340458-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.