Cyanine5.5 maleimide is a thiol reactive dye which is capable of selective labeling of sulfhydryl groups in proteins, an analog of Cy5.5® maleimide.
Near infrared emission of Cyanine5.5 makes this dye suitable for bioimaging applications.
Cyanine5.5 can replace Cy5.5®, Alexa Fluor 680, and DyLight 680.
AxisPharm offers 4000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.