Alkyne-PEG4-aldehyde serves as a bifunctional PEG linker containing an aldehyde, which is reactive with a hydrazide or amine group to form a hydrazone or imine bond, respectively, and an alkyne group to partake in click chemistry reactions with azide-containing entities. The PEG4 chain enhances the water solubility of the molecule.
Usually ships within 24 hours.