Hypoxanthine
Also known as: 6-Hydroxypurine, Purin-6-ol, 6-Oxopurine, Sarcine, Sarkine, 1,7-Dihydro-6H-purin-6-one, 3,7-Dihydropurin-6-one, Hypoxanthine anhydrous
Hypoxanthine (CAS 68-94-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4O and a molecular weight of 136.111 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 551.0±30.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 287.0±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 68-94-0
- Jingsj CID
- J-50181-5
- Molecular Formula
- C5H4N4O
- Molecular Weight
- 136.111 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 551.0±30.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 287.0±24.6 °C |
| Exact Mass | 136.038513 |
| PSA | 74.43000 |
| LogP | -0.91 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.816 |
| Additional Property | practically insoluble |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Saugstad OD, et al. Hypoxanthine as an indicator of hypoxia: its role in health and disease through free radical production. Pediatr Res. 1988 Feb;23(2):143-50. |
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 Hypoxanthine?
The CAS number of Hypoxanthine is 68-94-0.
What are the molecular formula and molecular weight of Hypoxanthine?
Hypoxanthine has molecular formula C5H4N4O and molecular weight 136.111 g/mol.
What are the upstream and downstream products of Hypoxanthine?
For Hypoxanthine, Upstream Products: Nickel, Xanthine, 2'-Deoxyinosine; Downstream Products: 5-Amino-1H-imidazole-4-carboxamide, Mercaptopurine, 6-Dimethylaminopurine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Hypoxanthine (CAS 68-94-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50181-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.