4-Hydroxyquinoline-3-carboxylic acid
4-羟基喹啉-3-羧酸
Also known as: 4-Hydroxy-3-quinolinecarboxylic acid, 1,4-Dihydro-4-oxo-3-quinolinecarboxylic acid, 1,4-Dihydro-4-oxo-quinoline-3-carboxylic acid, 4-Oxo-1,4-dihydroquinoline-3-carboxylic acid, NSC 4344
4-Hydroxyquinoline-3-carboxylic acid (CAS 34785-11-0) 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 4-Hydroxy-3-quinolinecarboxylic acid, 1,4-Dihydro-4-oxo-3-quinolinecarboxylic acid and 1,4-Dihydro-4-oxo-quinoline-3-carboxylic acid. Key properties include a melting point of 168-173°C, a boiling point of 384.7±32.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 186.5±25.1 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34785-11-0
- Jingsj CID
- J-1525743-7
- Molecular Formula
- C10H7NO3
- Chinese Name
- 4-羟基喹啉-3-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 | 168-173°C |
|---|---|
| Boiling Point | 384.7±32.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 186.5±25.1 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-Hydroxyquinoline-3-carboxylic acid?
The CAS number of 4-Hydroxyquinoline-3-carboxylic acid is 34785-11-0.
What are the molecular formula and molecular weight of 4-Hydroxyquinoline-3-carboxylic acid?
4-Hydroxyquinoline-3-carboxylic acid has molecular formula C10H7NO3 and molecular weight 189.167 g/mol.
Is 4-Hydroxyquinoline-3-carboxylic acid hazardous?
4-Hydroxyquinoline-3-carboxylic acid has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxyquinoline-3-carboxylic acid (CAS 34785-11-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525743-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.