Displaying 29 results of Penicillin Impurities Penicillin is an important antibiotic used to treat bacterial infections. However, during the manufacturing process, impurities can arise that may affect the quality and effectiveness of the drug. These impurities can include residual solvents, byproducts, and degradation products. It is important for manufacturers to carefully monitor and control the presence of these impurities to ensure the safety and efficacy of the final product.