1345823-20-2

CY5-YNE (Sulfo-Cyanine5-alkyne) is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides. CY5-YNE is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.