• CAS No.：
  31255-26-2
• Synonyms：
  3,6,9-Trioxaundecane-1,11-dibromide
  1-(2-Bromoethoxy)-2-[2-(2-bromoethoxy)ethoxy]ethane
  Bromo-PEG4-bromide
  Br-PEG3-CH2CH2Br
  Ethane,1,1'-Oxybis〔2-(2-bromoethoxy)-
  1,11-Dibromo-3,6,9-trioxaundecane
  
• MF：
  C₈H₁₆Br₂O₃
• MW：
  320.019
• Recommended Storage Condition：
  
• Uses：
  

Br-PEG4-Br, also known as Bromo-PEG4-bromide, is a compound featuring two bromine groups linked to a PEG chain, serving as a versatile reagent in organic synthesis and chemical modification reactions. The bromide groups can undergo nucleophilic substitution reactions with various nucleophiles such as amines, thiols, or alcohols, enabling the introduction of diverse functional groups. 

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