Flurbiprofen Related Impurity 2 is primarily used in the pharmaceutical industry as a reference standard for quality control and analytical purposes. It helps in the identification, quantification, and validation of impurities in Flurbiprofen drug substances and products. This ensures the safety, efficacy, and compliance of the medication with regulatory standards. Additionally, it aids in research and development to study the degradation pathways and stability of Flurbiprofen formulations.