FormestaneProduct Name: Formestane 566-48-3 
Synonyms:4-hydroxy-androst-4-ene-17-dione;4-hydroxy-delta(sub4)-androstenedione;4-HYDROXYANDROST-4-ENE-3,17-DIONE;4-HYDROXYANDROSTENEDIONE;4-HYDROXY-4-ANDROSTENE-3,17-DIONE;4-ANDROSTEN-4-OL-3,17-DIONE;4-OHA;CGP-32349 
CAS: 566-48-3 
Molecular Formula: C19H26O3   
Melting point :199-202°C 
storage temp. : 2-8°C
Assay: 99% min.
Usage: pharmaceutical material, Steroid hormone, Anabolin. An aromatase inhibitor, An antitumor pharmaceutical.