2-hydroxyquinoline-3-carboxylic acid
2-羟基-3-喹啉羧酸
Also known as: 2-oxo-1,2-dihydroquinoline-3-carboxylic acid, 2-Oxoquinoline-3-carboxylic acid, 1,2-dihydro-2-oxoquinoline-3-carboxylic acid, 2-hydroxy-3-quinolinecarboxylic acid, 2-oxo-1H-quinoline-3-carboxylic acid, 3-carboxycarbostyril
2-hydroxyquinoline-3-carboxylic acid (CAS 2003-79-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NO3 and a molecular weight of 189.167 g/mol. It is also known as 2-oxo-1,2-dihydroquinoline-3-carboxylic acid, 2-Oxoquinoline-3-carboxylic acid and 1,2-dihydro-2-oxoquinoline-3-carboxylic acid. Key properties include a melting point of > 300ºC, a boiling point of 440.9±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 220.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2003-79-4
- Jingsj CID
- J-1525140-8
- Molecular Formula
- C10H7NO3
- Chinese Name
- 2-羟基-3-喹啉羧酸
- Molecular Weight
- 189.167 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 | 440.9±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 220.4±28.7 °C |
Frequently Asked Questions
What is the CAS number of 2-hydroxyquinoline-3-carboxylic acid?
The CAS number of 2-hydroxyquinoline-3-carboxylic acid is 2003-79-4.
What are the molecular formula and molecular weight of 2-hydroxyquinoline-3-carboxylic acid?
2-hydroxyquinoline-3-carboxylic acid has molecular formula C10H7NO3 and molecular weight 189.167 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-hydroxyquinoline-3-carboxylic acid (CAS 2003-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525140-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.