Displaying 4 results of Cisatracurium Besylate Impurities Cisatracurium Besylate is a muscle relaxant used during surgery. Impurities may be present in the drug substance, which can affect its purity and potency. These impurities can be generated during the manufacturing process or storage conditions. Identifying and controlling these impurities is critical to ensuring the safety and efficacy of the drug product. Impurities can be characterized and quantified using various analytical techniques.