This compound is widely used in the field of biomedical research and diagnostics due to its fluorescent properties. It is commonly employed as a labeling agent for proteins, antibodies, peptides, and nucleic acids, enabling their detection and visualization in various assays. Its water solubility and near-infrared fluorescence make it particularly useful for in vivo imaging, as it allows for deep tissue penetration with minimal background interference. Additionally, it is utilized in flow cytometry, fluorescence microscopy, and other imaging techniques to study cellular processes, protein interactions, and molecular dynamics. Its stability and high sensitivity also make it a valuable tool in drug discovery and development, where it aids in tracking and analyzing biological targets.