Isoquinolin-4-ol
Also known as: 4-Hydroxyisoquinoline, 4-Isoquinolinol, 4-Isoquinolol, Isochinolin-4-ol, soquinolin-4-ol
Isoquinolin-4-ol (CAS 3336-49-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO and a molecular weight of 145.158 g/mol. Key properties include a melting point of 223-225ºC, a boiling point of 425.4±18.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 211.1±21.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3336-49-0
- Jingsj CID
- J-1035205-3
- Molecular Formula
- C9H7NO
- Molecular Weight
- 145.158 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 223-225ºC |
|---|---|
| Boiling Point | 425.4±18.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 211.1±21.2 °C |
| Exact Mass | 145.052765 |
| PSA | 33.12000 |
| LogP | 1.87 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.691 |
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 Isoquinolin-4-ol?
The CAS number of Isoquinolin-4-ol is 3336-49-0.
What are the molecular formula and molecular weight of Isoquinolin-4-ol?
Isoquinolin-4-ol has molecular formula C9H7NO and molecular weight 145.158 g/mol.
What are the upstream and downstream products of Isoquinolin-4-ol?
For Isoquinolin-4-ol, Upstream Products: 4-Bromoisoquinoline, Isoquinoline N-oxide, p-Toluenesulfonyl chloride; Downstream Products: 1,2,3,4-Tetrahydro-4-isoquinolinol, 3-Chloroisoquinolin-4-ol, 4-Chloroisoquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isoquinolin-4-ol (CAS 3336-49-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1035205-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.