MK 0434 is a steroid 5 alpha-reductase inhibitor and a hormone antagonist. MK-0434 is associated with a significant reduction in dihydrotestosterone. References: Van Hecken A, Depré M, Schwartz JI, Tjandramaga TB, Winchell GA, De Lepeleire I, Ng J, De Schepper PJ. Plasma concentrations and effect on testosterone metabolism after single doses of MK-0434, a steroid 5 alpha-reductase inhibitor, in healthy subjects. Eur J Clin Pharmacol. 1994;46(2):123-6. PubMed PMID: 8039530.

纯度：≥98%

CAS：134067-56-4