IUPAC name: (2S,3R,4S,5R,6R)-2-[3-hydroxy-5-[2-(4-hydroxy-3-methoxy-phenyl)ethenyl]phenoxy]-6-(hydroxymethyl)oxane-3,4,5-triol CAS number 32727-29-0 Other names E-5,4'-dihydroxy-3'-methoxy-3-glucopyranosylstilbene Purity Above 97% HPLC Chemical formula C2