Revefinacin is a drug used to treat hypertension and congestive heart failure. During the manufacturing process, impurities may be introduced which can affect the quality, safety, and efficacy of the drug. The identification and control of impurities in Revefinacin is critical to ensure that the drug is of high quality and safe for use. Various analytical techniques are used to detect and quantify impurities, including chromatography and spectroscopy. Stringent regulations are in place to ensure that Revefinacin meets the required quality standards.