• Product Name:Ethynyl estradiol
  • Molecular Formula:C20H24O2
  • Purity:99%
  • Molecular Weight:296.409

Product Details;

CasNo: 57-63-6

Molecular Formula: C20H24O2

Appearance: Off-White to Light-Yellow Crystalline Powder

Reliable quality Ethinylestradiol good producer provide high quality Ethynyl estradiol (CAS 57-63-6) in medicine, at a very affordable prices to our customers.

1.What is the Ethynyl estradiol ?

17α-Ethinylestradiol (EE2), a major constituent of common contraceptive pills, is a frequently used drug and an endocrine disruptive substance. EE2 occurrence in the aquatic environment can be linked to insufficient removal in wastewater treatment plants.

2.What is the CAS number for Ethynyl estradiol ?

The CAS number of Ethynyl estradiol is 57-63-6.

More information of Ethynyl estradiol 57-63-6 are:

CAS Number



1.21 g/cm3

Melting Point

182-183 °C(lit.)

Boiling Point

457.2 °C at 760 mmHg

Flash Point

211.2 °C

Vapor Pressure

3.74E-09mmHg at 25°C

Refractive Index

-30 ° (C=0.4, Pyridine)








pKa 10.32 (Uncertain)

3.What is the molecular formula of Ethynyl estradiol ?

The chemical formula of Ethynyl estradiol is C20H24O2 which containing 20 Carbon atoms,24 Hydrogen atoms and 2 Oxygen atoms,and the molecular weight, and the molecular weight of Ethynyl estradiol is 296.409

4.What is Ethynyl estradiol(57-63-6)used for?

The synthetic estrogen 17α-ethinylestradiol (EE2) is a common component of hormone therapy and oral contraceptives and has been widely used for nearly 60 years. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Estradiol is the major estrogen secreted by the premenopausal ovary. 17α-Ethinylestradiol (EE) is widely used as the estrogenic component of oral contraceptives (OC).


Relevant articles related to Ethynyl estradiol:



Algal organic matter and dissolved Mn cooperatively accelerate 17α-ethinylestradiol photodegradation: Role of photogenerated reactive Mn(III)

In this study, the photodegradation of 17α-ethinylestradiol (EE2) in the presence of Mn(II) and EOM was investigated with emphasis on the photogeneration mechanism of Mn(III)…

, Water Research Volume 236, 1 June 2023, 119980

Impact of zero-valent iron on nitrifying granular sludge for 17α-ethinylestradiol removal and its mechanism

As an endocrine-disrupting chemical, 17α-ethinylestradiol (EE2) has attracted extensive attention due to its structural stability, degradation difficulty, strong endocrine-disrupting properties, and high ecological risk…

, Chemosphere Available online 12 May 2023, 138904

5.Reliable quality Ethinylestradiol 57-63-6 in medicine good producer

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