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16,17-Epoxypregnenolone

Also known as: 16α,17α-Epoxy-3β-hydroxy-5-pregnen-20-one, 3β-Hydroxy-16α,17α-epoxy-5-pregnen-20-one, (3β,16α)-3-Hydroxy-16,17-epoxypregn-5-en-20-one, 16,17-Epoxy-3-hydroxypregn-5-en-20-one, 16,17-Epoxypregn-5-en-3-ol-20-one, 16α,17α-epoxypregnenolone, EPOXYPREGNENOLONE, MFCD00135147, EINECS 213-548-2, 16a,17a-epoxypregnenolone

16,17-Epoxypregnenolone (CAS 974-23-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H30O3 and a molecular weight of 330.461 g/mol. Key properties include a boiling point of 462.3±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 159.4±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
974-23-2
Jingsj CID
J-991977-2
Molecular Formula
C21H30O3
Molecular Weight
330.461 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point462.3±45.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point159.4±22.2 °C
Exact Mass330.219482
PSA49.83000
LogP3.22
Vapor Pressure0.0±2.6 mmHg at 25°C
Refractive Index1.577
Storage Conditions−20°C

Frequently Asked Questions

What is the CAS number of 16,17-Epoxypregnenolone?

The CAS number of 16,17-Epoxypregnenolone is 974-23-2.

What are the molecular formula and molecular weight of 16,17-Epoxypregnenolone?

16,17-Epoxypregnenolone has molecular formula C21H30O3 and molecular weight 330.461 g/mol.

What are the upstream and downstream products of 16,17-Epoxypregnenolone?

For 16,17-Epoxypregnenolone, Upstream Products: 16-Dehydropregnenolone Acetate, 16-Dehydropregnenolone, Methanol; Downstream Products: 16,17-Epoxypregnenolone acetate, 17α-Hydroxypregnenolone, Cholesterol.

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

Last updated:

How to cite: Jingsj. "16,17-Epoxypregnenolone (CAS 974-23-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-991977-2 (accessed 2026-11-07).

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