Cy3-PEG-N3 (MW 10000)

Cy3-PEG-N3 (MW 10000) is a fluorescent azide dye for labeling biomolecules via click chemistry, including CuAAC and SPAAC. It is widely used for in vitro and in vivo imaging, enabling the tracking of peptides, proteins, and oligonucleotides in cellular and biodistribution studies.