1,5-Isoquinolinediol
Also known as: 1,5-Dihydroxyisoquinoline, 5-Hydroxy-1(2H)-isoquinolinone, 5-Hydroxyisocarbostyril, 5-Hydroxyisoquinolin-1(2H)-one, isoquinoline-1,5-diol, NSC 65585
1,5-Isoquinolinediol (CAS 5154-02-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO2 and a molecular weight of 161.157 g/mol. Key properties include a melting point of 270-275 °C, a boiling point of 501.1±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 256.8±24.6 °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.
- 5154-02-9
- Jingsj CID
- J-12129-9
- Molecular Formula
- C9H7NO2
- Molecular Weight
- 161.157 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270-275 °C |
|---|---|
| Boiling Point | 501.1±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 256.8±24.6 °C |
| Exact Mass | 161.047684 |
| PSA | 53.35000 |
| LogP | -0.17 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.743 |
| Storage Conditions | 2-8°C |
| Additional Property | DMSO: >36 mg/mL |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | PARP:0.18-0.37 μM (IC50) |
|---|---|
| Additional Information | [1]. Crockett SL, et al. Role of dopamine and selective dopamine receptor agonists on mouse ductus arteriosus tone and responsiveness. Pediatr Res. 2019 Dec 9. |
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 1,5-Isoquinolinediol?
The CAS number of 1,5-Isoquinolinediol is 5154-02-9.
What are the molecular formula and molecular weight of 1,5-Isoquinolinediol?
1,5-Isoquinolinediol has molecular formula C9H7NO2 and molecular weight 161.157 g/mol.
Is 1,5-Isoquinolinediol hazardous?
1,5-Isoquinolinediol 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 1,5-Isoquinolinediol?
For 1,5-Isoquinolinediol, Downstream Products: 5-hydroxy-3,4-dihydro-2H-isoquinolin-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5-Isoquinolinediol (CAS 5154-02-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12129-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.