Ozanimod is a drug used in the treatment of multiple sclerosis and ulcerative colitis. However, during the manufacturing process, impurities can be generated which may affect the quality, safety, and efficacy of the drug. These impurities can be organic or inorganic in nature and may arise from various sources such as raw materials, intermediates, or the manufacturing process itself. Therefore, it is important to identify and quantify these impurities to ensure the quality of the drug product.
