• CAS No.：
  1365655-91-9
• Synonyms：
  t-Boc-NH-amido-PEG2-COOH
  t-Boc-N-amido-PEG2-acid
  Boc-N-amido-PEG2-acid
  t-Boc-N-amido-PEG2-propionic acid
  2,2-Dimethyl-4-oxo-3,8,11-trioxa-5-azatetradecan-14-oic acid
  N-Boc-3-[2-(2-aminoethoxy)ethoxy]propionic acid
  3-[2-(2-([(tert-Butoxy)carbonyl]amino)eth
  
• Purity：
  ≥95%
• MF：
  C₁₂H₂₃NO₆
• MW：
  277.31
• Recommended Storage Condition：
  Store at -5°C,keep in dry and avoid sunlight.
• Uses：
  Applicated in medical research, drug-release, nanotechnology and new materials research, cell culture. In the study of ligand, polypeptide synthesis support, a graft polymer compounds, new materials, and polyethylene glycol-modified functional coatings and other aspects of the active compound.

Boc-NH-PEG2-COOH (t-Boc-N-amido-PEG2-acid) is a monodisperse PEG linker containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

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