Displaying 3 results of Isothipendyl Impurities Isothipendyl is an antihistamine medication that is used to treat allergic reactions. However, it is important to ensure that the medication is free from impurities, which are substances that may be present in trace amounts but can potentially impact the safety and efficacy of the drug. Isothipendyl impurities may include residual solvents, degradation products, and other contaminants that need to be monitored and controlled during the manufacturing process. Identifying and quantifying these impurities is essential for maintaining the quality of the drug product and ensuring patient safety.