5-Fluorouridine (Standard) is the analytical standard of 5-Fluorouridine. This product is intended for research and analytical applications. 5-Fluorouridine, a metabolite of5-Fluorouracil (HY-90006), is a potent ribozyme self-cleavage inhibitor. 5-Fluorouridine incorporates into both total and poly A RNA and has antiproliferative activity. 5-Fluorouridine induces apoptosis[1][2][3].