• CAS No.：
  1167575-20-3
• Synonyms：
  Azide-PEG12-COOH
  Azido-PEG12-acid
  Azido-dPEG(R)12-acid
  Azido-PEG12-propionic acid
  
• Purity：
  ≥95%
• MF：
  C₂₇H₅₃N₃O₁₄
• MW：
  643.72
• 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.

Monodisperse Azido-PEG12-acid (N3-PEG12-COOH) is a heterobifunctional PEG linker containing an azide (N3) group and a carboxylic acid (COOH). The azide group reacts with terminal alkynes and cyclooctyne derivatives via click chemistry, and the carboxylic acid can react with amino groups in the presence of activators.

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