5-Fluorouridine 5'-O-ß-D-galactopyranoside(AB273892)

MW 424.33 Da, Purity =98%. Potent anti-metabolite. Acts via thymidylate synthetase inhibition or incorporation into RNA *in vivo*. Analog of 5-fluorouridine. Has galactose conjugated to the active site. Enzymatic or chemical hydrolysis of the galactoside group releases the active anti-metabolite. Useful for cell selection through lacZ specific release of 5-fluorouridine in recombinant cells or tissues.