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Medchemexpress LLC 4,7,10,13,16-pentaoxanonadec-18-ynoic acid, 2,5-dioxo-1-pyrrolidinyl ester | 1393330-40-9 | MFCD22574798 | 98.0% | 401.41 g/mol | C18H27NO9 | 25 MG
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Supplier:  Medchemexpress LLC HY13038825MG

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Propargyl-PEG5-NHS ester is an alkyne-terminated polyethylene glycol (PEG5) N-hydroxysuccinimidyl (NHS) ester used as a bioconjugation linker for click chemistry and amine-coupling reactions. It provides an alkyne handle and a PEG5 spacer to improve solubility and control linker length in conjugates.

  • Introduces an alkyne handle for copper-catalyzed azide-alkyne cycloaddition.
  • Provides a PEG5 spacer to enhance solubility and reduce steric hindrance.
  • Features a reactive NHS ester for efficient coupling to primary amines.
  • Characterized by NMR with reported purity of 98.0%.
  • Has molecular weight 401.41 g/mol and formula C18H27NO9.

Catalog No. 50-002-03586


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