Steroid had been isolated from cytotoxic active fraction of the root wood Sari Rapet’s by maseration method with methanol as the solven. Continuing with fractionation vvith increasing by polarity : n-hexane, dichloromethane and ethylacetate. n-Hexane fraction showed the highest cytotoxic activity with LC50 =151,71 ppm. Separation and purification to n-hexasane fraction gave needle’s crystal…