Cyanine 3 monosuccinimidyl ester [equivalent to Cy3(R) NHS ester]

Ex: 555 nm. Em: 565 nm. Soluble in: DMSO. A variety of cyanine 3 (Cy3®) dyes has been used to label biological molecules for fluorescence imaging and other fluorescence-based biochemical analysis. They are widely used for labeling peptides, proteins and oligos etc. Cy3® dyes have enhanced fluorescence upon binding to proteins. Cy3® NHS ester readily reacts with amino groups. Cy3® is the trademark of GE Healthcare.