Active ingredientEthisteroneCat. No. P-E119-001CAS 434-03-7Family · Pharmaceutical analytical standards
Ethisterone
The first orally active progestin, synthesised in 1938 in Berlin by Hans Herloff Inhoffen and colleagues and introduced in Germany in 1939 for gynaecological disorders such as irregular periods. This family brings together the active ingredient.
Did you know?The chemists hoped to obtain an orally active testosterone: the new molecule instead turned out to be weakly androgenic and strongly progestogenic, and norethisterone was later derived from it.
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