Displaying 7 results of Riluzole Impurities Riluzole is a medication used to treat amyotrophic lateral sclerosis (ALS). Impurities in Riluzole can potentially affect the safety and efficacy of the medication. These impurities can arise during the manufacturing process and may include related compounds, degradation products, or residual solvents. Monitoring and controlling impurities is important to ensure the quality and consistency of the medication.