Tos-PEG3-methyl ester is a PEG linker with tosyl and methyl ester moieties. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG linker increases the water solubility of the compound. Methyl ester can be hydrolyzed under strong basic condition. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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