N-(Azido-PEG2)-N-Fluorescein-PEG4-acid is a fluorescein lableing reagent containing a terminal azide group and a terminal carboxylic acid. The azide group enables PEGylation via Click Chemistry. The terminal carboxylic acid can react with primary amino groups in the presence of EDC or HATU . Please contact us for GMP-grade inquiries.
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