Used as a reference standard in analytical laboratories for the accurate quantification and identification of the New Red food dye (E124) in food, beverage, and pharmaceutical products. Commonly employed in quality control and regulatory testing using techniques such as high-performance liquid chromatography (HPLC) and UV-Vis spectrophotometry to ensure compliance with safety and labeling standards. Helps detect and measure dye concentration to monitor permissible limits and prevent overuse in consumer products.