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Medchemexpress LLC Propanoic acid, 3-[2-[2-(2-propyn-1-yloxy)ethoxy]ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester | 1428629-71-3 | 97.0% | 313.30 g/mol | C14H19NO7 | 250 MG
SDP

Supplier:  Medchemexpress LLC HY126974250MG

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Propargyl-PEG3-NHS ester is an amine-reactive N-hydroxysuccinimide (NHS) ester with a terminal propargyl alkyne and a three-unit PEG spacer. It is designed for bioconjugation and linker chemistry, enabling amide bond formation with primary amines and copper-catalyzed azide-alkyne cycloaddition (CuAAC) with azide partners.

  • Amine-reactive NHS ester for stable amide bond formation.
  • Terminal alkyne enables CuAAC click chemistry.
  • Three-unit PEG spacer provides flexibility and solubility.
  • Suitable for PROTAC and antibody-drug conjugate linker synthesis.
  • High purity (97.0% by NMR) and molecular weight 313.30 g/mol.

Catalog No. 50-002-03474


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