2-Hydroxyethynylestradiol
2-羟基炔雌醇
Also known as: 2-Hydroxyethinylestradiol, 17α-Ethynyl-2-hydroxyestradiol, (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-2,3,17-triol, 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-2,3,17-triol, Ethinylestradiol 2-hydroxy impurity, 17α-Ethynylestra-1,3,5(10)-triene-2,3,17-triol
2-Hydroxyethynylestradiol (CAS 50394-89-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H24O3 and a molecular weight of 312.403 g/mol. It is also known as 2-Hydroxyethinylestradiol, 17α-Ethynyl-2-hydroxyestradiol and (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-2,3,17-triol. Key properties include a melting point of 220-223ºC, a boiling point of 490.7±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 227.8±23.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 50394-89-3
- Jingsj CID
- J-1183426-5
- Molecular Formula
- C20H24O3
- Chinese Name
- 2-羟基炔雌醇
- Molecular Weight
- 312.403 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 220-223ºC |
|---|---|
| Boiling Point | 490.7±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 227.8±23.3 °C |
Frequently Asked Questions
What is the CAS number of 2-Hydroxyethynylestradiol?
The CAS number of 2-Hydroxyethynylestradiol is 50394-89-3.
What are the molecular formula and molecular weight of 2-Hydroxyethynylestradiol?
2-Hydroxyethynylestradiol has molecular formula C20H24O3 and molecular weight 312.403 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxyethynylestradiol (CAS 50394-89-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183426-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.