Oleanolic acid-3-O-glucosyl(1-2)xylyl(1-3)glucosiduronic acid is a naturally occurring triterpene saponin found in various medicinal plants. Its structure features an oleanolic acid aglycone conjugated to a complex oligosaccharide chain containing glucose, xylose, and glucuronic acid. In analytical chemistry, this compound serves as a representative molecule for studying the sorption kinetics of saponins on functional materials like hypercrosslinked polystyrene. Biologically, like many oleanane-type saponins, it is investigated for its potential anti-inflammatory, hepatoprotective, and antitumor activities.