Cbz-NH-PEG1-CH2CO2H is a PEG linker featuring a CBZ-protected amine and a reactive carboxyl group that forms stable amide bonds with primary amines using activators like HATU. The PEG1 spacer enhances aqueous solubility, while the Cbz group can be removed under catalytic hydrogenation conditions for further modification. Reagent grade, for research purpose.
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