Displaying 14 results of Roflumilast Impurities Roflumilast is a medication used to treat chronic obstructive pulmonary disease (COPD). Impurities are substances that can be present in the drug product, either due to the manufacturing process or degradation of the active ingredient. Impurities in Roflumilast can affect the drug's potency, stability, and safety, and must be identified and controlled during the manufacturing process. Analytical methods are used to detect and quantify these impurities, and their levels must be kept within acceptable limits to ensure the quality of the drug product.