4-Hydroxy-8-methoxyquinoline
Also known as: 8-Methoxy-4-quinolinol, 8-methoxyquinolin-4-ol, 8-methoxy-1H-quinolin-4-one, 4-Quinolinol, 8-methoxy-, NSC 52752
4-Hydroxy-8-methoxyquinoline (CAS 21269-34-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.184 g/mol. Key properties include a boiling point of 351.8±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 166.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21269-34-1
- Jingsj CID
- J-1136490-2
- Molecular Formula
- C10H9NO2
- Molecular Weight
- 175.184 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 351.8±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 166.6±22.3 °C |
| Exact Mass | 175.063324 |
| PSA | 42.35000 |
| LogP | 2.20 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.650 |
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 4-Hydroxy-8-methoxyquinoline?
The CAS number of 4-Hydroxy-8-methoxyquinoline is 21269-34-1.
What are the molecular formula and molecular weight of 4-Hydroxy-8-methoxyquinoline?
4-Hydroxy-8-methoxyquinoline has molecular formula C10H9NO2 and molecular weight 175.184 g/mol.
What are the upstream and downstream products of 4-Hydroxy-8-methoxyquinoline?
For 4-Hydroxy-8-methoxyquinoline, Upstream Products: 4-Hydroxy-8-methoxyquinoline-3-carboxylic acid, Ethyl 4-hydroxy-8-methoxyquinoline-3-carboxylate; Downstream Products: 4-Chloro-8-quinolinol, 4-Bromoquinolin-8-ol, 4-Bromo-8-methoxyquinoline.
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-8-methoxyquinoline (CAS 21269-34-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1136490-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.