Tegoprazan is a medication used to treat acid-related disorders such as gastroesophageal reflux disease (GERD). Impurities in Tegoprazan can affect its safety and efficacy, making it important to monitor and identify these impurities. The impurities could be related to the manufacturing process or degradation of the medication over time. Understanding and controlling these impurities is essential for ensuring the quality and safety of Tegoprazan.