5-Methyluridine

The chemical compound 5-methyluridine, also called ribothymidine, is a pyrimidine nucleoside. Abbreviated m5U, it is the ribonucleoside counterpart to the deoxyribonucleoside thymidine, which lacks a hydroxyl group at the 2' position. 5-Methyluridine contains a thymine base joined to a ribose pentose sugar. It is a white solid.