Faropenem is a broad-spectrum antibiotic used to treat various bacterial infections. During the manufacturing process of faropenem, impurities may be formed which can affect the purity and efficacy of the drug. These impurities need to be identified, isolated and characterized to ensure the quality of the drug. Common faropenem impurities include related substances, degradation products, and residual solvents. Stringent quality control measures are necessary to ensure that the drug is safe and effective for patient use.