Ms-PEG4-t-butyl ester is a PEG linker with a mesyl group and a t-butyl protecting group. Mesyl is a good leaving group and can participate in substitution reactions. The t-butyl group can be removed under acidic condtions. The hydrophilic PEG linker increases the solubility properties of compounds in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Usually ships within 24 hours.