Glibenclamide is a medication used to treat type 2 diabetes by regulating blood sugar levels. However, during the manufacturing process, impurities may be introduced into the drug, which can affect its purity and potency. These impurities can be harmful to patients and must be carefully monitored and controlled. Analytical methods such as chromatography and spectroscopy are used to identify and measure these impurities to ensure the safety and efficacy of the medication.