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Ethinylestradiol benzoate

Ethinylestradiol benzoate
Ethinylestradiol benzoate.svg
Clinical data
Other names17α-Ethynylestradiol 3-benzoate
Drug classEstrogen; Estrogen ester
PubChem CID
Chemical and physical data
Molar mass400.518 g/mol g·mol−1
3D model (JSmol)

Ethinylestradiol benzoate, or 17α-ethynylestradiol 3-benzoate, is a synthetic estrogen and estrogen ester – specifically, the C3 benzoate ester of ethinylestradiol – which was first described in the late 1930s and was never marketed.[1][2]

See also


  1. ^ J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 522–. ISBN 978-1-4757-2085-3.
  2. ^ Frobenius, W. (2011). "The Rabbits are Prepared ..." - The Development of Ethinylestradiol and Ethinyltestosterone. J Reprod Med Endo, 8(Suppl. 1), 32–57. []