Used extensively in fluorescence labeling and imaging, this compound is a key tool in biological research for tracking and visualizing cellular processes. Its bright and stable fluorescence makes it ideal for use in microscopy, flow cytometry, and other imaging techniques. It is particularly valuable in studying intracellular dynamics, protein interactions, and molecular trafficking. Additionally, it is employed in diagnostic assays and as a probe in live-cell imaging due to its compatibility with biological systems and minimal phototoxicity.