Used as a fluorescent probe in biochemical and analytical applications due to its strong fluorescence properties. Commonly employed in the detection and quantification of enzyme activity, particularly in assays involving esterases and proteases. Serves as a building block in the synthesis of fluorescent dyes and labels for biomolecules such as proteins and nucleic acids. Also utilized in environmental studies to monitor photodegradation processes and in the development of sensors for metal ions. Its carboxylic acid group allows for easy conjugation to amines via standard coupling reagents, making it valuable in labeling and imaging techniques.