Methyltestosterone
Also known as: 17-Methyltestosterone, 17α-Methyltestosterone, 17β-Hydroxy-17α-methyl-4-androsten-3-one, 17α-Methyl-4-androsten-17β-ol-3-one, Androst-4-en-3-one, 17β-hydroxy-17-methyl-, Mesterone, Metandren, Android, Testred, Oraviron, Syndren, Testora, Malogen, Masenone, Neo-Hombreol-M, NSC-9701, MT
Methyltestosterone (CAS 58-18-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H30O2 and a molecular weight of 302.451 g/mol. Key properties include a melting point of 162-168 °C(lit.), a boiling point of 434.4±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 185.3±21.3 °C. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer and H361 — Suspected of damaging fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 58-18-4
- Jingsj CID
- J-38375-6
- Molecular Formula
- C20H30O2
- Molecular Weight
- 302.451 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 162-168 °C(lit.) |
|---|---|
| Boiling Point | 434.4±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 185.3±21.3 °C |
| Exact Mass | 302.224579 |
| PSA | 37.30000 |
| LogP | 4.02 |
| Vapor Pressure | 0.0±2.4 mmHg at 25°C |
| Refractive Index | 1.556 |
GHS Safety & Compliance
- H350 — May cause cancer
- H361 — Suspected of damaging fertility or the unborn child
Frequently Asked Questions
What is the CAS number of Methyltestosterone?
The CAS number of Methyltestosterone is 58-18-4.
What are the molecular formula and molecular weight of Methyltestosterone?
Methyltestosterone has molecular formula C20H30O2 and molecular weight 302.451 g/mol.
Is Methyltestosterone hazardous?
Methyltestosterone has GHS signal word Danger and hazard statements H350 — May cause cancer; H361 — Suspected of damaging fertility or the unborn child.
What are the upstream and downstream products of Methyltestosterone?
For Methyltestosterone, Upstream Products: Methandriol, 17α-Methyl-5α-androstane-3α,17β-diol, Metandienone; Downstream Products: 17α-Methyl-5α-androstane-3α,17β-diol, Mestanolone, Metandienone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyltestosterone (CAS 58-18-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38375-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.