Azido-PEG4-Hydrazide is a PEG4 linker specifically with terminal azide and hydrazide groups. Its dual reactivity supports click chemistry and aldehyde/ketone coupling specifically for bioconjugation, drug delivery, and glycoconjugation applications.
Polyethylene Glycol PEG Linkers > Azide PEG > Azido-PEG-Hydrazide
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