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Medchemexpress LLC Propargyl-PEG3-NHS ester | 1428629-71-3 | MFCD23726610 | 97.0% | 313.30 g/mol | C14H19NO7 | 100 MG
SDP

Supplier:  Medchemexpress LLC HY126974100MG

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Propargyl-PEG3-NHS ester is an NHS-activated PEG3 linker bearing a terminal propargyl (alkyne) group used for bioconjugation and linker synthesis. It couples to primary amines to form amide bonds and enables click chemistry via CuAAC.

  • Reactive NHS ester for selective coupling to primary amines.
  • Terminal alkyne enables copper-catalyzed azide-alkyne cycloaddition (CuAAC).
  • Three-unit PEG spacer improves solubility and flexibility.
  • High purity (97.0% by NMR) suitable for research applications.
  • Soluble in DMSO; store under nitrogen at -20°C for stability.

Catalog No. 50-002-04193


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