Cbz-NH-PEG2-CH2CO2H is a functional PEG linker consisting of a CBZ-protected amine and a carboxyl group that efficiently couples with primary amines using activators like HATU. Its PEG2 units elevate water solubility, and the Cbz group can be selectively removed under catalytic hydrogenation for further derivatization. Reagent grade, for research purpose.
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