N-(Azido-PEG3)-N-Fluorescein-PEG4-acid is a PEGylated fluorescent linker with azide, fluorescein, and acid groups. It specifically enables click chemistry, amide coupling, and optical labeling for probe design and bioconjugation.
Polyethylene Glycol PEG Linkers > PEG-X-PEG > PEG-Fluorescein-PEG
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