etynodiol

Also known as: Ethynodiol, Etynodiol, Ethinodiol, Etinodiol, Etinodiol [INN-Spanish], Etinodiolo [DCIT], Etynodiolum, Etynodiolum [INN-Latin], Etynodiol [INN:BAN], (17R)-19-Norpregn-4-en-20-yne-3β,17-diol, (3S,8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol, 17-alpha-ethynyloestr-4-ene-3-beta,17-beta-diol, 19-Norpregn-4-en-20-yne-3,17-diol, (3β,17α)-, 19-nor-17-alpha-pregn-4-en-20-yne-3-beta,17-diol, 4-ESTREN-17α-ETHYNYL-3β, 17β-DIOL

etynodiol (CAS 1231-93-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H28O2 and a molecular weight of 300.43500 g/mol. Key properties include a boiling point of 444ºC at 760mmHg, a density of 1.15g/cm3 and a flash point of 201.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1231-93-2
Jingsj CID: J-1388996-4
Molecular Formula: C₂₀H₂₈O₂
Molecular Weight: 300.43500 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	444ºC at 760mmHg
Density	1.15g/cm3
Flash Point	201.9ºC
Exact Mass	300.20900
PSA	40.46000
LogP	3.28430
Vapor Pressure	9.46E-10mmHg at 25°C
Refractive Index	1.585

Frequently Asked Questions

What is the CAS number of etynodiol?

The CAS number of etynodiol is 1231-93-2.

What are the molecular formula and molecular weight of etynodiol?

etynodiol has molecular formula C20H28O2 and molecular weight 300.43500 g/mol.

What are the upstream and downstream products of etynodiol?

For etynodiol, Upstream Products: Norethindrone, 19-Nor-4-androstene-3,17-dione.

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

Last updated: 8/21/2026

How to cite: Jingsj. "etynodiol (CAS 1231-93-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388996-4 (accessed 2026-11-06).

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