Cefotetan Impurities are the unwanted substances that may be present in the drug cefotetan. These impurities may arise during the synthesis and manufacturing of the drug, and can potentially affect the quality, safety, and efficacy of the drug. It is important for pharmaceutical companies to control and monitor these impurities to ensure the drug is safe for use by patients. Various analytical techniques are used to detect and quantify cefotetan impurities.