Formestane

Formestane Alias: Formestane; -Hydroxyandrost-4-ene-3,17-dione CAS NO:566-48-3 Molecular weight:302.4126 Molecular formula:C19H26O3 Packing:Foil bag About Formestane (Lentaron) 1.Formestane (Lentaron) is a type I, steroidal aromatase inhibitor. It is used in the treatment of estrogen-receptor positive breast cancer in post-menopausal women. It is available as an intramuscular depot injection. 2.Formestane is often used to suppress estrogen production from anabolic steroids or prohormones. It also acts as a prohormone to 4-hydroxytestosterone, an active steroid which displays weak androgenic activity in addition to acting as a mild aromatase inhibitor. 3.Formestane has poor oral bioavailability and as such is no longer popular as many orally active aromatase inhibitors have been identified. Our Formestane is trustworthy, because our precision instruments and professional studies, and to me, the quality is very good, it is used in the treatment of women, estrogen receptor-positive breast cancer after menopause. It can be used as a long-acting intramuscular injection.