Propargyl-PEG4-alcohol is a PEG4 linker with a terminal alkyne for click chemistry and a hydroxyl group for functionalization. Its hydrophilic spacer makes it especially suitable for bioconjugation, drug delivery, and multifunctional material modification.
Polyethylene Glycol PEG Linkers > Propargyl PEG > Propargyl-PEG-alcohol
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