Oxipurinol
Also known as: 1H-Pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione, 4,6-Dihydroxy-1H-pyrazolo[3,4-d]pyrimidine, Alloxanthine, Oxypurinol, Oxoallopurinol, Oxyprim, BW-55-5, NSC 76239
Oxipurinol (CAS 2465-59-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H4N4O2 and a molecular weight of 152.11 g/mol. Key properties include a melting point of 300 °C, a boiling point of 662.9ºC at 760 mmHg, a density of 2.19g/cm3 and a flash point of 354.7ºC. 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.
- 2465-59-0
- Jingsj CID
- J-49674-2
- Molecular Formula
- C5H4N4O2
- Molecular Weight
- 152.11 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300 °C |
|---|---|
| Boiling Point | 662.9ºC at 760 mmHg |
| Density | 2.19g/cm3 |
| Flash Point | 354.7ºC |
| Exact Mass | 152.03300 |
| PSA | 94.92000 |
| Vapor Pressure | 3.5E-18mmHg at 25°C |
| Refractive Index | 1.989 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Stocker SL, et al. The pharmacokinetics of oxypurinol in people with gout. Br J Clin Pharmacol. 2012 Sep;74(3):477-89. |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Oxipurinol?
The CAS number of Oxipurinol is 2465-59-0.
What are the molecular formula and molecular weight of Oxipurinol?
Oxipurinol has molecular formula C5H4N4O2 and molecular weight 152.11 g/mol.
Is Oxipurinol hazardous?
Oxipurinol 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 Oxipurinol?
For Oxipurinol, Downstream Products: 4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine, 4,6-Dichloro-1H-pyrazolo[3,4-d]pyrimidine, 6-Amino-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-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. "Oxipurinol (CAS 2465-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49674-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.