Displaying 22 results of Edaravone Impurities Edaravone is a pharmaceutical drug used to treat amyotrophic lateral sclerosis (ALS) and cerebral infarction. However, during the manufacturing process of Edaravone, impurities may be generated which can affect the quality, safety and efficacy of the final product. Therefore, it is important to control and monitor these impurities to ensure the highest quality of the drug. The most common impurities found in Edaravone include related compounds, starting materials and degradation products.