3-Hydroxy-2-methylquinoline-4-carboxylic acid
Also known as: 2-Methyl-3-hydroxy-4-carboxyquinoline, 2-Methyl-3-hydroxy-quinoline-4-carboxylic acid, 3-Hydroxy-2-methyl-4-quinolinecarboxylic acid, 3-Hydroxy-2-methyl cinchoninic acid, 3-Hydroxy-2-methyl-4-chinolincarbonsure, 3-Hydroxy-4-carboxyquinaldine, 3-Hydroxyquinaldine-4-carboxylic acid, Oxyquinaldinecarboxylic acid, 4-Quinolinecarboxylic acid, 3-hydroxy-2-methyl-
3-Hydroxy-2-methylquinoline-4-carboxylic acid (CAS 117-57-7) 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. Key properties include a melting point of 235 °C (dec.)(lit.), a boiling point of 370.2±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 177.7±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 117-57-7
- Jingsj CID
- J-34128-6
- Molecular Formula
- C11H9NO3
- Molecular Weight
- 203.194 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 235 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 370.2±42.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 177.7±27.9 °C |
| Exact Mass | 203.058243 |
| PSA | 70.42000 |
| LogP | 3.35 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.703 |
| Additional Property | 0.04 g/L (20 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-Hydroxy-2-methylquinoline-4-carboxylic acid?
The CAS number of 3-Hydroxy-2-methylquinoline-4-carboxylic acid is 117-57-7.
What are the molecular formula and molecular weight of 3-Hydroxy-2-methylquinoline-4-carboxylic acid?
3-Hydroxy-2-methylquinoline-4-carboxylic acid has molecular formula C11H9NO3 and molecular weight 203.194 g/mol.
Is 3-Hydroxy-2-methylquinoline-4-carboxylic acid hazardous?
3-Hydroxy-2-methylquinoline-4-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Hydroxy-2-methylquinoline-4-carboxylic acid?
For 3-Hydroxy-2-methylquinoline-4-carboxylic acid, Upstream Products: isatin, Bromoacetone, Acetoxyacetone; Downstream Products: 4-bromo-2-methylquinolin-3-ol, 2-(3-Hydroxyquinolin-2-yl)-1H-cyclopenta[b]naphthalene-1,3(2H)-dione, 2-Methylquinolin-3-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Hydroxy-2-methylquinoline-4-carboxylic acid (CAS 117-57-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34128-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.