The Croton macrostachyus is used for the treatment of malaria, venerealrndiseases, cough, diabetes, constipation, tape worms and hepatitis. Therndichloromethane extract of the stem bark of Croton macrostachyus wasrnafforded two Terpenoids: the compound with full structure which is arntriterpenoid (CM-1) and a compound with a partial structure which is arntetratrpenoid (CM-2). Structural determination was accomplished by meansrnof spectroscopic methods (IR, UV, 1D and 2D NMR)