Probenecid is a medication used to treat gout and certain types of arthritis. However, during the manufacturing process, impurities may be introduced which can affect the quality and safety of the drug. These impurities can be residual solvents, degradation products, or other unwanted substances. It is important to monitor and control the levels of these impurities during the production of Probenecid to ensure the final product meets regulatory requirements and is safe for patient use.