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Clinical data
Other names17β-((4-Hydroxybutyl)amino)estradiol; 17β-[(4-Hydroxybutyl)amino]estra-1,3,5(10)-trien-3-ol
CAS Number
PubChem CID
Chemical and physical data
Molar mass343.511 g·mol−1
3D model (JSmol)

Butolame, also known as 17β-((4-hydroxybutyl)amino)estradiol, is a synthetic, steroidal estrogen and a 17β-aminoestrogen with anticoagulant effects that was first described in 1993 and was never marketed.[1][2][3]


  1. ^ Martin Negwer; Hans-Georg Scharnow (2001). Organic-chemical drugs and their synonyms: (an international survey). Wiley-VCH. p. 2352. ISBN 978-3-527-30247-5.
  2. ^ Lemini C, Rubio-Póo C, Silva G, García-Mondragón J, Zavala E, Mendoza-Patiño N, Castro D, Cruz-Almanza R, Mandoki JJ (1993). "Anticoagulant and estrogenic effects of two new 17 beta-aminoestrogens, butolame [17 beta-(4-hydroxy-1-butylamino)-1,3,5(10)-estratrien-3-ol] and pentolame [17 beta-(5-hydroxy-1-pentylamino)-1,3,5(10)-estratrien-3-ol]". Steroids. 58 (10): 457–61. doi:10.1016/0039-128x(93)90002-5. PMID 8256254.
  3. ^ Jaimez R, Cooney A, Jackson K, Lemus AE, Lemini C, Cárdenas M, García R, Silva G, Larrea F (2000). "In vivo estrogen bioactivities and in vitro estrogen receptor binding and transcriptional activities of anticoagulant synthetic 17beta-aminoestrogens". J. Steroid Biochem. Mol. Biol. 73 (1–2): 59–66. doi:10.1016/s0960-0760(00)00053-4. PMID 10822025.