Displaying 19 results of Upadacitinib Impurities Upadacitinib is a medication used to treat certain autoimmune diseases, such as rheumatoid arthritis. During the manufacturing process, impurities may be formed due to various factors like raw materials, solvents, and reaction byproducts. These impurities need to be identified, quantified, and controlled to ensure the safety and efficacy of the drug. The presence of impurities can affect the stability, potency, and bioavailability of the drug, which can result in adverse effects on patients. Therefore, it is crucial to monitor and control the levels of Upadacitinib impurities in the final drug product.