Purine
Also known as: 1,3-Diazolo[4,5-d]-1,3-diazine, 1H-Purine, 3,5,7-Triazaindole, 6H-Imidazo[4,5-d]pyrimidine, 7H-Purine, 9H-PURINE, 9H-purine, EINECS 204-421-2, Imidazo(4,5-d)pyrimidine, Imidazo[4,5-d]pyrimidine, Isopurine, MFCD00079221, NSC 753, X 128, b-Purine, beta-Purine, imidazopyrimidine, {6H-Imidazo[4,5-d]pyrimidine}, {Imidazo[4,5-d]pyrimidine}, β-Purine
Purine (CAS 120-73-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4 and a molecular weight of 120.112 g/mol. Key properties include a melting point of 214-217 °C(lit.), a boiling point of 424ºC at 760mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 225.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 120-73-0
- Jingsj CID
- J-26439-4
- Molecular Formula
- C5H4N4
- Molecular Weight
- 120.112 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 214-217 °C(lit.) |
|---|---|
| Boiling Point | 424ºC at 760mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 225.4ºC |
| Exact Mass | 120.043594 |
| PSA | 54.46000 |
| LogP | -0.37 |
| Vapor Pressure | 0.0976mmHg at 25°C |
| Refractive Index | 1.738 |
| Storage Conditions | 2-8°C |
| Additional Property | 400 g/L (20 ºC) |
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 Purine?
The CAS number of Purine is 120-73-0.
What are the molecular formula and molecular weight of Purine?
Purine has molecular formula C5H4N4 and molecular weight 120.112 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Purine (CAS 120-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26439-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.