Displaying 2 results of Pirlimycin Impurities Pirlimycin is an antibiotic used in the treatment of mastitis in dairy cows. During the manufacturing process, impurities may be produced that could affect the quality and safety of the final product. These impurities are typically monitored and controlled to ensure compliance with regulatory standards and to maintain the efficacy of the antibiotic. Some common impurities associated with Pirlimycin include related substances, residual solvents, and degradation products.