Product Description: Uridine-13C9 (β-Uridine-13C9) is a 13C9-labeled form of Uridine (HY-B1449). Uridine (β-Uridine) is a glycosylated pyrimidine-analog containing uracil attached to a ribose ring (or more specifically, aribofuranose) via a β-N1-glycosidic bond[1].