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Quinestradiol structure.png
Clinical data
Trade namesColpovis, Colpovister, Pentovis
SynonymsQuinestradiol; Quinestriol; Estriol 3-cyclopentyl ether; E3CPE
Routes of
By mouth
Drug classEstrogen; Estrogen ether
ATC code
  • None
CAS Number
PubChem CID
ECHA InfoCard100.013.294 Edit this at Wikidata
Chemical and physical data
Molar mass356.498 g/mol g·mol−1
3D model (JSmol)

Quinestradol (INN, BAN) (brand names Colpovis, Colpovister, Pentovis), also known as quinestradiol or quinestriol, as well as estriol 3-cyclopentyl ether (E3CPE), is a synthetic estrogen and estrogen ether which is no longer marketed.[1][2][3][4] It is the 3-cyclopentyl ether of estriol.[1] The medication has been studied in the treatment of stress incontinence in elderly women, with effectiveness observed.[3][4]

See also[edit]


  1. ^ a b J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 899–. ISBN 978-1-4757-2085-3.
  2. ^ Index Nominum 2000: International Drug Directory. Taylor & Francis. January 2000. pp. 905–. ISBN 978-3-88763-075-1.
  3. ^ a b P.G. Crosignani; Rodolfo Paoletti; P.M. Sarrel; N.K. Wenger (6 December 2012). Women’s Health in Menopause: Behaviour, Cancer, Cardiovascular Disease, Hormone Replacement Therapy. Springer Science & Business Media. pp. 245–. ISBN 978-94-011-1024-2.
  4. ^ a b David B. Seifer (27 July 1999). Menopause: Endocrinology and Management. Springer Science & Business Media. pp. 161–. ISBN 978-1-59259-246-3.