Displaying 9 results of Temozolomide Impurities Temozolomide is a chemotherapy drug used to treat brain tumors. Impurities are unwanted substances that can be present in Temozolomide, either as a result of the manufacturing process or due to storage conditions. These impurities can affect the efficacy and safety of the drug. Therefore, it is important to monitor and control impurities in Temozolomide to ensure its quality and effectiveness.