The molecule is a purine nucleoside in which xanthine is attached to ribofuranose via a beta-N(9)-glycosidic bond. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a member of xanthosines and a purines D-ribonucleoside.
9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purine-2,6-dione