Azido-PEG3-SSPy is a cleavable bioconjugation linker with an azide for click reactions, SSPy for thiol binding, and a PEG3 spacer for solubility, ideal for ADCs, protein conjugation, and surface functionalization.
Polyethylene Glycol PEG Linkers > Thiol PEG > SPDP-PEG-azide
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