HO-PEG20-t-butyl ester is a PEG20 linker with a hydroxyl group and t-butyl ester. It enables orthogonal synthesis and controlled deprotection, making it especially valuable for drug delivery, probe design, and multifunctional bioconjugation.
Polyethylene Glycol PEG Linkers > Hydroxy PEG > Hydroxy-PEG-t-butyl ester
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