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Formestane

Formestane is a steroidal androgen substrate that inhibits aromatase. Formestane is clinically used to treat ER+ breast cancer, as it inhibits production of estrogens.

References PubMed ID::http://www.ncbi.nlm.nih.gov/pubmed/18925636

Cas No.

566-48-3

Purity

≥98%

Formula

C19H26O3

Formula Wt.

302.41

Chemical Name

4-Hydroxyandrost-4-ene-3,17-dione

IUPAC Name

(8R,9S,10R,13S,14S)-4-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione

Synonym

4-OHA; Lentaron

Melting Point

199-202°C

Solubility

Soluble in methanol.

Appearance

White Crystalline Powder

Miller WR. Aromatase inhibitors: mechanism of action and role in the treatment of breast cancer. Semin Oncol. 2003 Aug;30(4 Suppl 14):3-11. PMID: 14513432.

Dowsett M. Aromatase inhibition: basic concepts, and the pharmacodynamics of formestane. Ann Oncol. 1994;5 Suppl 7:S3-5. PMID: 7873460.

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