Displaying 17 results of Nicardipine Impurities Nicardipine is a calcium channel blocker used to treat high blood pressure and angina. However, during the manufacturing process, impurities may be introduced. These impurities can affect the quality and safety of the medication. It is important to identify and control these impurities to ensure the effectiveness and safety of the medication. Common impurities found in Nicardipine include related substances, degradation products, and residual solvents. Regular testing and monitoring can help prevent the presence of these impurities.