Displaying 2 results of Sufentanil Impurities Sufentanil is a powerful synthetic opioid used for pain management. However, during the manufacturing process, impurities may be introduced, which can affect the quality and safety of the medication. These impurities can include residual solvents, starting materials, and unwanted byproducts. It is important to monitor and control the levels of these impurities to ensure the purity and potency of sufentanil.