Adenine
Also known as: 6-aminopurine, Vitamin B4, 1H-Purin-6-amine, 6-amino-1H-purine, 9H-Purin-6-amine, Ade, Adenin, Adeninimine, Leuco-4, USAF CB-18, usafcb-18
Adenine (CAS 73-24-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N5 and a molecular weight of 135.127 g/mol. Key properties include a melting point of 360-365ºC, a boiling point of 243.2±50.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 100.9±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 73-24-5
- Jingsj CID
- J-1127856-0
- Molecular Formula
- C5H5N5
- Molecular Weight
- 135.127 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 360-365ºC |
|---|---|
| Boiling Point | 243.2±50.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 100.9±30.1 °C |
| Exact Mass | 135.054489 |
| PSA | 80.48000 |
| LogP | -2.12 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.954 |
| Additional Property | 0.5 g/L (20 ºC) |
GHS Safety & Compliance
- H301 — Toxic if swallowed
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Reader V. The assay of vitamin B(4). Biochem J. 1930;24(6):1827-31. [2]. ORO J, et al. Synthesis of purines under possible primitive earth conditions. I. Adenine from hydrogen cyanide. Arch Biochem Biophys. 1961 Aug;94:217-27. |
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 Adenine?
The CAS number of Adenine is 73-24-5.
What are the molecular formula and molecular weight of Adenine?
Adenine has molecular formula C5H5N5 and molecular weight 135.127 g/mol.
Is Adenine hazardous?
Adenine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of Adenine?
For Adenine, Upstream Products: N6-hydroxyadenine, 2-amino-malonamidine, dihydrochloride, Triethyl orthoformate; Downstream Products: 9-Benzyladenine, 3-Benzyladenine, Adenosine 5'-monophosphate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Adenine (CAS 73-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1127856-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.