IUPAC NAME-(17β)-17-ethynyl-17-hydroxyestr-4-en-3-one;
(8R,9S,10R,13S,14S,17S)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
MOLECULAR FORMULA-C20H26O2
MOLAR MASS-298.419 g/mol
Norethisterone is a molecule used in some combined oral contraceptive pills, progestogen only pills and is also available as a stand-alone drug.
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