Sulfo-Cy 5 NHS Ester

Sulfo-Cyanine 5 NHS Ester is a water soluble amine reactive red emitting fluorescent dye.Used for the labeling of various amine containing molecules in aqueous phase without use of any organic co-solvent. Useful for the labeling of proteins which denature in the presence of organic co-solvents, as well as for proteins with low solubility.