Cy5.5 is a type of cyano dye, the definition of cyano is synthetic dye, in which nitrogen and part of the conjugated chain usually form part of a heterocyclic ring system, such as imidazole, pyridine, pyrole, quinoline and thiazole. cyano group Dyes are used in industrial biotechnology (labeling, analysis, biomedical imaging).
Cy5.5 (Sulfo-Cyanine5.5) is a near-infrared fluorescent dye (Ex=673 nm, Em=707 nm) used to label biomolecules such as peptides, proteins and oligonucleotides.