Irinotecan is an anti-cancer drug that is used to treat various types of cancer. However, like other pharmaceutical products, Irinotecan may contain impurities that can affect its efficacy and safety. Impurities in Irinotecan can include degradation products, residual solvents, and other organic and inorganic compounds. These impurities can arise from the production process or storage conditions and can impact the stability, potency, and toxicity of Irinotecan. Hence, it is essential to monitor and control the levels of Irinotecan impurities to ensure the quality and safety of the drug.