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Trade names | Chemestrogen, Ocestrol, Octestrol, Octoestrol, Octofollin |
Drug class | Nonsteroidal estrogen |
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Chemical and physical data | |
Formula | C20H26O2 |
Molar mass | 298.426 g·mol−1 |
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Benzestrol (INN , BAN ) (brand names Chemestrogen, Ocestrol, Octestrol, Octoestrol, Octofollin) is a synthetic nonsteroidal estrogen of the stilbestrol group which was formerly used medically but has since been discontinued.[1][2][3] The stilbestrol estrogens, the best-known of which is diethylstilbestrol (DES) were used extensively in the mid-1900s and were finally banned by the FDA due to them causing tumors in the children of women who used them.[4]