CAS Number 10322-73-3
PubChem (CID) 66360
ChemSpider 59738
KEGG D04069
Chemical and physical data
Formula C24H26O4
Molar mass 378.46084 g/mol
3D model (Jmol) Interactive image

Estrofurate (INN, USAN) (developmental code name AY-11483), also known as 17α-(3-furyl)-estra-1,3,5(10),7-tetraene-3,17-diol 3-acetate, is a synthetic, steroidal estrogen that was synthesized in 1967 and studied in the late 1960s and early 1970s but was never marketed.[1][2] It is a relatively weak estrogen in bioassays.[3]


  1. J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. p. 503. ISBN 978-1-4757-2085-3.
  2. Banik, U. K.; Revesz, C.; Herr, F. (1969). "ORALLY ACTIVE OESTROGENS AND PROGESTINS IN PREVENTION OF PREGNANCY IN RATS". Reproduction. 18 (3): 509–515. doi:10.1530/jrf.0.0180509. ISSN 1470-1626.
  3. Revesz, C.; Banik, U. K.; Lefebvre, Y. (1970). "AY-11483, A NEW TYPE OF ORALLY ACTIVE OESTROGEN". Reproduction. 22 (1): 27–32. doi:10.1530/jrf.0.0220027. ISSN 1470-1626.

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