Widely used as a fluorescent dye, this compound is particularly effective in biological imaging and staining applications. It binds selectively to certain cellular components, making it useful for visualizing cell structures under fluorescence microscopy. Commonly employed in life science research, it aids in tracking molecular interactions and cellular processes in real time. Its high fluorescence quantum yield and photostability allow for clear, long-term imaging with minimal background interference. Additionally, it is used in flow cytometry and fluorescence-based assays due to its strong and consistent signal output.