6-Mercaptopurine-13C2,15N

6-Mercaptopurine-13C2,15N is the 13C- and 15N-labeled 6-Mercaptopurine. 6-Mercaptopurine is a purine analogue which acts as an antagonist of the endogenous purines and has been widely used as antileukemic agent and immunosuppressive agent.