Pharmaceutical Reference Standards / Impurity Standards

6-Mercaptopurine
6-Mercaptopurine monohydrate
6-Methyl mercaptopurine
Bis(6-purinyl)-sulphide
N-Nitroso Mercaptopurine
Mercaptopurine Impurity 4

Isotope Labelled Compounds

6-Methyl mercaptopurine-D3
6-Mercaptopurine-13C2,15N