This product is a high-purity PEG reagent with a tosyl leaving group on a PEG7 spacer, enabling efficient nucleophilic substitution with amines, thiols, and alcohols while improving solubility, flexibility, and accessibility in bioconjugation and material functionalization.
Polyethylene Glycol PEG Linkers > Hydroxy PEG > Hydroxy-PEG-Tos
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