Enrofloxacin is a synthetic antibiotic used to treat various bacterial infections in animals. However, during the manufacturing process, impurities can be formed that may affect the quality and safety of the drug. These impurities can be harmful to animals and humans, and it is crucial to control and monitor their levels to ensure the effectiveness and safety of enrofloxacin. The impurities can be identified and quantified using analytical techniques, and appropriate measures can be taken to minimize their presence.