Gly-Gly-Gly-PEG8-Picolyl azide, HCl salt constitutes a tripeptide PEG linker with three glycine residues, and it may be employed in the development of antibody drug conjugates (ADCs). The picolyl moiety assists with a copper-chelating system within its structure, lowering the amount of copper catalyst required in the CuAAC reaction. The PEG8 chain bolsters the water solubility of the molecule.
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