Displaying 2 results of Sufentanil Citrate Impurities Sufentanil citrate is a potent synthetic opioid analgesic used for pain management in surgical and intensive care settings. However, like any drug, it may contain impurities that can affect its quality, safety, and efficacy. Some of the impurities found in sufentanil citrate include related substances, degradation products, and residual solvents. These impurities can be generated during the manufacturing process or storage and can be harmful to the patient. Therefore, it is important to monitor and control the levels of impurities in sufentanil citrate to ensure its purity and safety.