DBCO-PEG5-DBCO linker CAS:2096516-12-8 homofuncational DBCO crosslinker. It can undergo sequential copper free click chemistry with azide-tagged biomolecules to form stable triazole linkages separated by the hydrophilic PEG spacer, which provides added aqueous solubility and rotational flexibility.
Polyethylene Glycol PEG Linkers > DBCO PEG > DBCO-PEG-DBCO
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