• Synonyms：
  Dibenzocycolctyne-PEG-Acid
  
• Purity：
  ≥95%
• 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.

DBCO-PEG-Acid (DBCO-PEG-COOH) is a heterobifunctional reactive PEG derivative featuring a dibenzocyclooctyne (DBCO) group and a carboxylic acid group at opposite ends of the PEG chain. The DBCO group allows for copper-free click chemistry with azide-containing molecules, enabling efficient and selective bioconjugation without the need for a catalyst. The carboxylic acid group can be activated for coupling reactions with primary amines, forming stable amide bonds. This dual functionality makes DBCO-PEG-COOH ideal for a variety of applications, including targeted drug delivery, protein modification, and the development of advanced biomaterials and nanomedicine platforms. 

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