3,4-Dibromo-Mal-PEG4-t-butyl ester is a heterobifunctional PEG linker featuring a 3,4-dibromomaleimide group for thiol-reactive conjugation and a t-butyl ester for protected carboxylic acid functionality. Additionally, the PEG4 spacer improves solubility and flexibility, making it ideal for site-specific bioconjugation and multistep chemical synthesis.
Polyethylene Glycol PEG Linkers > Maleimide PEG > Dibromo-Maleimide-PEG
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