4-Hydroxy-6-methoxyquinoline-3-carboxylic acid
Also known as: 3-Carboxy-4-hydroxy-6-methoxyquinoline, 6-Methoxy-4-oxo-1H-quinoline-3-carboxylic acid, 6-Methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 4-Hydroxy-6-methoxy-3-quinolinecarboxylic acid, 3-Quinolinecarboxylic acid, 4-hydroxy-6-methoxy-, NSC 80675, AKOS BB-8879, BUTTPARK 20\09-62, MFCD00024003, F3095-2073
4-Hydroxy-6-methoxyquinoline-3-carboxylic acid (CAS 28027-16-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO4 and a molecular weight of 219.19300 g/mol. Key properties include a boiling point of 411ºC at 760mmHg, a density of 1.402g/cm3 and a flash point of 202.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28027-16-9
- Jingsj CID
- J-1525689-0
- Molecular Formula
- C11H9NO4
- Molecular Weight
- 219.19300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 411ºC at 760mmHg |
|---|---|
| Density | 1.402g/cm3 |
| Flash Point | 202.4ºC |
| Exact Mass | 219.05300 |
| PSA | 79.39000 |
| LogP | 1.23490 |
| Vapor Pressure | 1.71E-07mmHg at 25°C |
| Refractive Index | 1.611 |
Frequently Asked Questions
What is the CAS number of 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid?
The CAS number of 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid is 28027-16-9.
What are the molecular formula and molecular weight of 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid?
4-Hydroxy-6-methoxyquinoline-3-carboxylic acid has molecular formula C11H9NO4 and molecular weight 219.19300 g/mol.
What are the upstream and downstream products of 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid?
For 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid, Upstream Products: Ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate, Diethyl 2-[(4-methoxyanilino)methylene]malonate, p-Anisidine; Downstream Products: 4-Hydroxy-6-methoxyquinoline, 4-Chloro-6-methoxyquinoline, 4-Chloro-6-hydroxyquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxy-6-methoxyquinoline-3-carboxylic acid (CAS 28027-16-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525689-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.