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Medchemexpress LLC Propargyl-PEG5-NHS ester | 1393330-40-9 | 98.0% | 401.41 g/mol | C18H27NO9 | 50 MG
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Supplier:  Medchemexpress LLC HY13038850MG

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Propargyl-PEG5-NHS ester is a PEG-based clickable linker (N-hydroxysuccinimide ester) containing a terminal propargyl (alkyne) group and an NHS-ester reactive handle for coupling to primary amines. It is intended for bioconjugation workflows such as ADC and PROTAC linker synthesis.

  • Contains terminal propargyl group for copper-catalyzed azide-alkyne cycloaddition.
  • Features an NHS-ester reactive group for efficient coupling to primary amines.
  • Suitable for ADC, PROTAC, and general bioconjugation applications.
  • High purity (98.0% by NMR) ensuring reliable coupling reactions.
  • Molecular weight 401.41 g/mol; formula C18H27NO9.
  • Store protected from light at -20°C; in solvent store at -80°C for long-term stability.

Catalog No. 50-002-04221


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