Formestane-impurities | Pharmaffiliates

Formestane and its Impurities

Formestane, formerly sold under the brand name Lentaron among others, is a steroidal, selective aromatase inhibitor which is used in the treatment of estrogen receptor-positive breast cancer in postmenopausal women. Reference standards of Formestane API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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PA 06 1480000



  • Catalogue No.:PA 06 1480000

  • CAS :


  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41