Displaying 7 results of Mitoxantrone Impurities Mitoxantrone is a synthetic anthracenedione derivative that is used as an anti-cancer drug. Like most pharmaceuticals, mitoxantrone may contain impurities which can affect its safety and efficacy. These impurities may include degradation products, residual solvents, and other related substances. Therefore, it is important to ensure that the levels of these impurities are controlled within acceptable limits for the safe use of mitoxantrone.