17α-Dihydroequilin
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Synonyms | α-Dihydroequilin; 7-Dehydro-17α-estradiol; Estra-1,3,5(10),7-tetraen-3,17α-diol |
Routes of administration | By mouth |
Drug class | Estrogen |
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Formula | C18H22O2 |
Molar mass | 270.366 g/mol |
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17α-Dihydroequilin, or α-dihydroequilin, also known as 7-dehydro-17α-estradiol, as well as estra-1,3,5(10),7-tetraene-3,17α-diol, is a naturally occurring steroidal estrogen found in horses which is closely related to equilin, equilenin, and 17α-estradiol.[1][2] The compound, as the 3-sulfate ester sodium salt, is present in conjugated estrogens (Premarin), a pharmaceutical extract of the urine of pregnant mares, and is the third highest quantity constituent in the formulation (13.8%).[1]
See also
References
- 1 2 Marc A. Fritz; Leon Speroff (28 March 2012). Clinical Gynecologic Endocrinology and Infertility. Lippincott Williams & Wilkins. pp. 751–. ISBN 978-1-4511-4847-3.
- ↑ IARC Working Group on the Evaluation of Carcinogenic Risks to Humans; World Health Organization; International Agency for Research on Cancer (2007). Combined Estrogen-progestogen Contraceptives and Combined Estrogen-progestogen Menopausal Therapy. World Health Organization. pp. 378–. ISBN 978-92-832-1291-1.
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