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Medchemexpress LLC N-Fmoc-N'-(azido-PEG4)-L-lysine-PFP ester | 00-00-0 | 95.0% | 807.76 g·mol^-1 | C38H42F5N5O9 | 5 MG
SDP

Supplier:  Medchemexpress LLC HY1408475MG

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N-Fmoc-N'-(azido-PEG4)-L-lysine-PFP ester is an Fmoc-protected lysine derivative containing an azido-terminated PEG4 spacer and an activated pentafluorophenyl (PFP) ester. It is designed as a PEG-based linker and click-chemistry building block for bioconjugation, enabling efficient coupling and azide-alkyne cycloaddition reactions used in PROTAC and ADC linker synthesis and other synthetic workflows.

  • Facilitates copper-catalyzed and strain-promoted azide-alkyne cycloaddition.
  • Activated PFP ester enables rapid amide bond formation with amines.
  • PEG4 spacer improves solubility and flexibility of conjugates.
  • Fmoc protection allows orthogonal deprotection and solid-phase synthesis.
  • Suitable for small-quantity research use; typical purity 95%.

Catalog No. 50-002-22764


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