Medchemexpress, HY-18739 10mg Phorbol 12-myristate 13-acetate PMA CAS:16561-29-8 Formula:C36H56O8 EC50: 11.7 nM (PKC) Purity:98% Phorbol 12-myristate 13-acetate (PMA) is a PKC -activating phorbol ester, increases the intracellular Ca 2+ concentration ([Ca 2+ ] i ) in a dose-dependent manner, with an EC 50 of 11.7 nM. Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.