Presenegenin Description A novel triterpenoid saponin from Polygala tenuifolia Willd. Specifications Cas No. 2163-40-8 Product ID P6819 Product Name Presenegenin Formula C30H46O7 Formula Wt. 518.68 References Xu TH, Lv G, Xu YJ. J. Asian Nat. Prod. Res. 7-8:813-816 (2008).