Levomefolate is a form of folate that is used in the treatment of certain medical conditions. During the manufacturing process of levomefolate, impurities may be produced that can potentially affect the purity and quality of the final product. These impurities may include degradation products, residual solvents, and other unwanted substances. Therefore, it is important to closely monitor and control the manufacturing process to ensure that the final product is safe and effective for patient use.