NIR-797-isothiocyanate is a versatile dye employed extensively across various scientific and industrial sectors. As a critical tool in biological experiments, this dye enables the observation and analysis of cell structures, tracking of biomolecules, evaluation of cell functions, differentiation of cell types, detection of biomolecules, examination of tissue pathology, and monitoring of microorganisms. Its applications extend from fundamental research to a broad spectrum of clinical diagnostics. Additionally, NIR-797-isothiocyanate finds usage in traditional industries like textile dyeing and in innovative areas including functional textile processing, food coloring, and dye-sensitized solar cells.