Methoxycarbonyl-PEG4-t-butyl ester is a PEG species with t-butyl protected carboxyl group and mono-methyl ester moieties. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG linker increases the compound's water solubility in aqueous environments. Please contact us for GMP-grade inquiries.
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