1-Testosterone
Also known as: 17β-Hydroxy-5α-androst-1-en-3-one, (5α,17β)-17-Hydroxyandrost-1-en-3-one, 1-Dehydroandrostanolone, 5α-Androst-1-en-3-one, 17β-hydroxy-, Androst-1-en-3-one, 17-hydroxy-, (5α,17β)-, 17b-Hydroxy-5a-androst-1-en-3-one, 17beta-hydroxy-5alpha-androst-1-en-3-one
1-Testosterone (CAS 65-06-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H28O2 and a molecular weight of 288.424 g/mol. Key properties include a melting point of 75-85°C, a boiling point of 420.5±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 179.5±21.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 65-06-5
- Jingsj CID
- J-19264-3
- Molecular Formula
- C19H28O2
- Molecular Weight
- 288.424 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75-85°C |
|---|---|
| Boiling Point | 420.5±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 179.5±21.3 °C |
| Exact Mass | 288.208923 |
| PSA | 37.30000 |
| LogP | 3.44 |
| Vapor Pressure | 0.0±2.2 mmHg at 25°C |
| Refractive Index | 1.550 |
| Storage Conditions | Controlled Substance, -20?C Freezer |
Frequently Asked Questions
What is the CAS number of 1-Testosterone?
The CAS number of 1-Testosterone is 65-06-5.
What are the molecular formula and molecular weight of 1-Testosterone?
1-Testosterone has molecular formula C19H28O2 and molecular weight 288.424 g/mol.
What are the upstream and downstream products of 1-Testosterone?
For 1-Testosterone, Upstream Products: Stanolone benzoate; Downstream Products: 1-Androstenedione, 5α-Androstane-3β,17β-diol.
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-Testosterone (CAS 65-06-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19264-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.