benzestrol and its Impurities

Benzestrol also known as names Chemestrogen, Ocestrol, Octestrol, Octoestrol, Octofollin. it is synthetic nonsteroidal estrogen and analog of stilbestrol, was used for oral estrogenic therapy for women and in order to prevent premature births. Reference standards of Benzestrol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.