17α-Ethynylestriol

17-乙炔基雌三醇

Also known as: 17-Ethynylestriol, Ethynylestriol, (16α,17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,16,17-triol, 17a-Ethynylestriol

CAS No.
4717-40-2
Jingsj CID
J-1394430-4
Molecular Formula
C20H24O3
Chinese Name
17-乙炔基雌三醇
Molecular Weight
312.403 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point479.1±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point221.6±23.3 °C

Frequently Asked Questions

What is the CAS number of 17α-Ethynylestriol?

4717-40-2

What are the molecular formula and molecular weight of 17α-Ethynylestriol?

C20H24O3, molecular weight 312.403 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026