Gemcitabine Diphosphate is a phosphorylated metabolite of Gemcitabine, an antineoplastic agent. Gemcitabine-Diphosphate is used alone or in combination with other medicines to treat cancer of the breast, ovary, pancreas, and lung. MW: 423.16 g/mol (free acid). Purity ≥ 95 % (HPLC)