Sulfo-Cy3 maleimide is a water soluble thiol reactive dye containing a maleimide group. This is an analog of Cy3 maleimide and it will be ideal for the labeling of antibodies and other labile proteins in mild, purely aqueous conditions.
Appearance: Red solid
ex/em: 550/566 nm (PBS buffer)
Extinction coefficient (ε): 162000 Lmol1cm1
Quantum yield (Φ): 0.1
Sulfo-Cy3 maleimide potassium is a fluorescent dye with a maleimide functionality at the end a short alkyl linker. Sulfo-Cy3 maleimide potassium can be used for the labeling of antibodies and other labile proteins[1].
[1] Stefanie Arndt, et al. "Photoclick" postsynthetic modification of DNA. Angew Chem Int Ed Engl. 2014 Dec 22;53(52):14580-2. DOI:
10.1002/anie.201407874
