Bromo-PEG4-azide is a bifunctional crosslinker containing a bromide and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a good leaving group for nucleophilic substitution. The azide(N3) group is reactive with alkyne, BCN, DBCO via Click Chemistry. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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