Tofisopam is a medication used to treat anxiety disorders, but it may contain impurities that can affect its safety and efficacy. These impurities may include residual solvents, degradation products, and other contaminants. Therefore, it is essential to identify and quantify these impurities to ensure the quality and purity of Tofisopam. Regulatory agencies have set limits for these impurities, and pharmaceutical manufacturers must comply with these regulations to ensure patient safety.