Chloroacetamido-PEG4-t-Butyl Ester is a PEG linker containing a chloroacetamide and a t-butyl ester. The chlorine is a good leaving group and can undergo substitution reactions. The t-butyl group is an acid labile protecting group. Upon removal, the carboxylic acid can be further reacted. The hydrophilic PEG chain increases the water solubilty of compounds in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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