t-Boc-N-Amido-PEG4-Azide is a heterobifunctional PEG linker with a Boc-protected amine and an azide group for bioorthogonal click chemistry. The PEG4 spacer enhances solubility and flexibility, ideal for stepwise bioconjugation, drug delivery, and surface modification.
Polyethylene Glycol PEG Linkers > Boc-PEG > t-Boc-N-Amido-PEG-Azide
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