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Epitestosterone

Also known as: 17α-hydroxyandrost-4-en-3-one, 17alpha-Hydroxyandrost-4-en-3-one, 17α-Testosterone, 17alpha-Testosterone, 17-Epitestosterone, 17-epi-testosterone, 17a-Testosterone, 17a-cis-Testosterone, 4-Androsten-17alpha-ol-3-one, Androst-4-en-3-one, 17-hydroxy-, (17α)-, Androst-4-en-3-one, 17alpha-hydroxy-, cis-Testosterone, epi-Testosterone, Isotestosterone, Testosterone EP Impurity C, UNII-48L726977Z

Epitestosterone (CAS 481-30-1) 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 218-220ºC, a boiling point of 432.9±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 184.7±21.3 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
481-30-1
Jingsj CID
J-7557-4
Molecular Formula
C19H28O2
Molecular Weight
288.424 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point218-220ºC
Boiling Point432.9±45.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point184.7±21.3 °C
Exact Mass288.208923
PSA37.30000
LogP3.47
Vapor Pressure0.0±2.3 mmHg at 25°C
Refractive Index1.560
Storage ConditionsRefrigerator

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2914400020

Frequently Asked Questions

What is the CAS number of Epitestosterone?

The CAS number of Epitestosterone is 481-30-1.

What are the molecular formula and molecular weight of Epitestosterone?

Epitestosterone has molecular formula C19H28O2 and molecular weight 288.424 g/mol.

Is Epitestosterone hazardous?

Epitestosterone has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of Epitestosterone?

For Epitestosterone, Upstream Products: Testosterone, Beta-Sitosterol, Androstenedione; Downstream Products: Testosterone enanthate, Androstenedione.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Epitestosterone (CAS 481-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7557-4 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.