Palmitic acid-PEG2-NHS ester is a heterobifunctional lipid-PEG crosslinker combining a saturated C16 fatty acid with an amine-reactive NHS ester through a short PEG2 spacer. This reagent enables site-specific lipidation of proteins, peptides, and amine-containing biomolecules for applications in drug delivery, membrane anchoring, and bioconjugate chemistry.
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