The molecule is a beta-D-glucoside in which the aglycone species is chrysophanol, the glycosidic linkage being to the hydroxy group at C-8. It is a beta-D-glucoside and a monohydroxyanthraquinone. It derives from a chrysophanol.
1-hydroxy-3-methyl-8-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyanthracene-9,10-dione