Used as a derivatization reagent in analytical chemistry, particularly for the sensitive detection and quantification of amino acids, peptides, and proteins in liquid chromatography. It enhances the fluorescence of these compounds, allowing for precise analysis in biological and pharmaceutical research. Additionally, it is employed in the study of protein interactions and modifications, aiding in the understanding of complex biochemical processes. Its application extends to quality control in the food industry, where it helps monitor amino acid content in products.