Tepotinib Impurities refer to the by-products or unwanted substances that may be present in the chemical compound Tepotinib. These impurities can affect the purity, safety, and efficacy of the drug, and therefore, it is important to identify and quantify them. Quality control measures are put in place to ensure that Tepotinib meets the required standards before it is approved for use. Analytical techniques such as HPLC, GCMS, and NMR are used to detect and quantify the impurities in Tepotinib.