N-(mPEG4)-N'-(hydroxy-PEG2)-Cy5 CAS:2107273-12-9 is a cyanine-labeled PEG derivative with excitation/emission maxima of 649/667 nm, which can be further derivatized or replaced with other reactive functional groups.
Fluorescent Dye > Cyanine Dyes > Cyanine5 Dye
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