| Message: | Anabolic Steroids Lentaron For Breast Cancer and Bodybuilding Formestane CAS: 566-48-3
Quick Details:
Product Name Formestane
Alias Lentaron
CAS 566-48-3
Assay 98.0%
Appearance White Crystalline Powder
Molecular Formula C19H26O3
Molecular weight 302.41
Grade Pharmaceutical Grade
Storage Shading, Confined Preservation
2. Description:
Formestane (lentaron, chemical name: 4-hydroxyandrostenedione) is a type I steroidal aromatase inhibitor (AI). It was developed for use in treatment of estrogen-receptor-positive breast cancer in post-menopausal women. For medical purposes, it is made in intramuscular depot form and injected. It is not used in oral form due to poor bioavailability, which makes the oral version inferior to aromasin, letrozole, and arimidex.
Supplement companies, with a bodybuilder customer base, have made it in topical form. It was available as part of gel stacks, which are rubbed onto the skin with no need for injection. That allowed transdermal delivery, bypassing the liver.
3. Application:
Some cancers require estrogen to grow, and aromatase is an enzyme that synthesizes estrogen. Formestane is a 2nd generation aromatase inhibitor that blocks this synthesis. Thereby, it lowers estrogen levels and slows cancer growth in the breasts of women.
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