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Hydrazide-PEG4-Biotin is a biotinylation reagent with a four-unit polyethylene glycol spacer arm, which can improve water solubility. It is often used to biotinylate glycoproteins and other molecules containing aldehyde groups through the reaction of its hydrazide group with aldehydes or oxidized sugars.
Hydrazide-PEG4-Biotin is widely used in biochemistry and biotechnology. It is a biotinylation reagent that can be used to selectively label molecules such as glycoproteins and carbohydrates.