Benzyl-PEG4-acid is a PEG linker containing a benzyl protecting group and a carboxylic acid group. Benzyl is an alcohol protecting group and can be removed via hydrogenolysis. The carboxylic acid group can react with primary amine groups in the presence of activators such as EDC or HATU to form a stable amide bond. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Usually ships within 24 hours.