Epitestosterone

**Definition:** The 17-alpha isomer of TESTOSTERONE, derived from PREGNENOLONE via the delta5-steroid pathway, and via 5-androstene-3-beta,17-alpha-diol. Epitestosterone acts as an antiandrogen in various target tissues. The ratio between testosterone/epitestosterone is used to monitor anabolic drug abuse.

**Tree numbers:** - D04.210.500.054.079.429.824.275 - D06.472.334.851.968.984.500

**Synonyms:** - 17-alpha-Testosterone