Chisocheton balansae C.DC., is one of the Meliaceae family plants which endemic from Soputan Mountain, North Sulawesi, Indonesia. This study was aimed to determine chemical structure flavan-3-ol compounds ethyl acetate extract C. C.DC stembark. Dried powder stem bark extracted consecutively with n-hexane, acetate, and methanol solvents. Four compounds, named catechin (1), epicatechin (2), epiga...