Thiothixene is a medication used in the treatment of psychotic disorders. However, it may contain impurities that can affect its safety and efficacy. These impurities can be generated during the manufacturing process, storage, or transportation. Some of the commonly found impurities in Thiothixene include related substances, residual solvents, and heavy metals. It is important to monitor and control these impurities to ensure the quality and safety of the medication.