tert-butyl 3-[2-(2-iodoethoxy)ethoxy]propanoate is a PEG linker including an iodine group and a t-butyl ester. The iodine (I) acts as a very good leaving group for nucleophilic substitution reactions. The t-butyl ester groups can be deprotected under acidic conditions. Reagent grade, for research use only.
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