diSulfo-Cy3 azide is a water-soluble dye containing an alkyne group, which enables Click Chemistry. Absorbance and emission of the dye are identical to Cy3 fluorophore. The reagent is designed for the labeling of proteins, and even intact biological objects in water phase.
Appearance: Red powder
ex/em: 550/566 nm (PBS buffer)
Extinction coefficient (ε): 162000 L??mol??1??cm??1
Quantum yield (Φ): 0.1
diSulfo-Cy3 alkyne is a water-soluble dye and a Click Chemistry reagent containing an alkyne group. Absorbance and emission of the dye are identical to Cy3 fluorophore. diSulfo-Cy3 alkyne can be used for the labeling of proteins, and even intact biological objects in water phase[1].
[1] Wu Q, et al. Chemoenzymatic Labeling Pathogens Containing Terminal N-Acetylneuraminic Acid-α(2-3)-Galactose Glycans. ACS Infect Dis. 2022 Mar 11;8(3):657-664. DOI:
10.1021/acsinfecdis.2c00011
