Displaying 1 results of Naftidrofuryl Oxalate Impurities Naftidrofuryl Oxalate is a medication used to treat peripheral arterial disease. Like any other drug, it may contain impurities that can affect its quality, safety, and efficacy. Impurities may arise during manufacturing or storage, and their levels need to be monitored and controlled. The most common impurities in Naftidrofuryl Oxalate include related substances, residual solvents, and degradation products. These impurities can be harmful to human health or interfere with the drug's therapeutic activity, hence the need for strict quality control measures.