Azido-PEG4-t-butyl ester is a click chemistry linker containing an azide (N3) and a t-butyl ester moiety. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group is reactive toward alkyne, BCN, DBCO via Click Chemistry . The t-butyl protected carboxyl group can be deprotected under acidic conditions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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