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Propargyl-PEG1-SS-PEG1-PFP ester is a Click Chemistry crosslinker. PFP ester is reactive with amine-bearing molecule. The propargyl groups can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield stable triazole linkages.

Propargyl-PEG1-SS-PEG1-PFP ester is a cleavable 1 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs)[1]. Propargyl-PEG1-SS-PEG1-PFP ester is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Disulfide Cleavable Linker; Cleavable Linker

[1] Beck A, et al. Strategies and challenges for the next generation of antibody-drug conjugates. Nat Rev Drug Discov. 2017 May;16(5):315-337. DOI:10.1038/nrd.2016.268