Displaying 3 results of Biperidine Impurities Biperidine is a medication used to treat Parkinson's disease and dystonia. It is important to ensure that the medication is pure and free from contaminants. Biperidine impurities refer to any unwanted substances that may be present in the medication. These impurities can affect the safety, efficacy, and stability of the medication. Therefore, it is crucial to identify and control the levels of biperidine impurities to ensure the quality of the medication.