Cyanine5 amine hydrochloride

This amine-reactive Cyanine5 derivative is a near-infrared fluorescent dye (Ex/Em 646/662 nm) suitable for labeling biomolecules via CuAAC click chemistry or carboxylate conjugation. It is widely used for in vitro and in vivo imaging applications, including polysaccharide tracking and biomarker detection in biological research.