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Medchemexpress LLC Propargyl-PEG4-NHS ester | 1428629-70-2 | 97.0% | 357.36 g/mol | C16H23NO8 | 500 MG
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Supplier:  Medchemexpress LLC HY126516500MG

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Propargyl-PEG4-NHS ester is an alkyne-terminated, four-unit polyethylene glycol (PEG4) N-hydroxysuccinimide (NHS) ester designed for bioconjugation and click chemistry. It couples to primary amines via NHS chemistry and provides an alkyne handle for copper-catalyzed azide-alkyne cycloaddition (CuAAC), suitable for linker and labeling applications.

  • Alkyne-terminated PEG4 linker for click chemistry.
  • Reacts with primary amines via NHS ester chemistry.
  • Non-cleavable four-unit PEG spacer to improve solubility and reduce steric hindrance.
  • Suitable for antibody-drug conjugation and general bioconjugation workflows.
  • High purity for reproducible conjugation results.

Catalog No. 50-002-01904


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