N-(Trimethylsilyl)-4-((trimethylsilyl)oxy)-4,5-dihydro-1,3,5-triazin-2-amine-15N4 is an intermediate in the synthesis of 5-Azacytidine-15N4 (A796002), which is a labelled Azacytidine (A796000), a potent growth inhibitor and cytotoxic agent. It acts as a demethylating agent by inhibiting DNA methyltransferase.