Cyanine 5.5 hydrazide，Cyanine 5.5酰肼，相当于GE公司的Cy5.5® hydrazide（Cy5.5®酰肼），Ex (nm) : 678，Em (nm): 701，MW :1159.13，Solvent : DMSO。
A variety of cyanine 5.5 (Cy5.5®) 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. Cy5.5® dyes are one type of the most common red fluorophores. Cy5.5® hydrazide reacts with carbonyl groups. Cy5.5® is the trademark of GE Healthcare.