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Medchemexpress LLC Propargyl-PEG8-NHS ester | 2182601-74-5 | MFCD31536764 | >95.0% | 533.57 g/mol | C24H39NO12 | 250 MG
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Supplier:  Medchemexpress LLC HY130376250MG

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Propargyl-PEG8-NHS ester is an amine-reactive polyethylene glycol (PEG) linker bearing a terminal propargyl (alkyne) group and an N-hydroxysuccinimide (NHS) activated ester. It is used for bioconjugation, click chemistry, and as a linker in ADC/PROTAC synthesis, providing improved solubility and site-selective attachment.

  • Amine-reactive NHS ester for efficient conjugation to primary amines.
  • Terminal propargyl alkyne enables copper-catalyzed or strain-promoted click reactions.
  • PEG8 spacer improves solubility and reduces steric hindrance.
  • High purity typically ≥95% for reliable biochemical use.
  • Molecular weight approximately 533.57 g/mol, suitable for linker applications.
  • Available as a 250 MG solid for laboratory-scale synthesis.

Catalog No. 50-002-03909


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