Isoxsuprine is a drug used to treat certain conditions related to blood circulation. However, during the manufacturing process of isoxsuprine, impurities may be formed which can affect the quality and safety of the drug. These impurities need to be identified, characterized, and controlled to ensure the purity of the drug product. Various analytical techniques are employed to detect and quantify these impurities, and appropriate measures are taken to prevent their formation or eliminate them from the final product.