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Medchemexpress LLC Propargyl-PEG1-NHS ester | 1174157-65-3 | 98.9% | 225.20 g/mol | C10H11NO5 | 1 G
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Supplier:  Medchemexpress LLC HY1265131G

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Propargyl-PEG1-NHS ester is a small polyethylene glycol (PEG1) linker bearing an N-hydroxysuccinimide (NHS) ester and a terminal propargyl (alkyne) group. It is designed to derivatize primary amines via NHS chemistry and to introduce an alkyne handle for copper-catalyzed azide-alkyne cycloaddition (CuAAC) click reactions, enabling bioconjugation and linker construction.

  • Reactive NHS ester for conjugation to primary amines.
  • Terminal alkyne (propargyl) enables CuAAC click chemistry.
  • Small PEG1 spacer reduces steric hindrance and improves solubility.
  • Typical assay purity reported around 98.9%.
  • Stable when stored at -20°C in pure form for extended periods.

Catalog No. 50-002-04046


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