Catalog No. : PHB-918
Product Name : HO-PEG-COOtBu, MW 5k
Description :

HO-PEG-COOtBu is a linear heterobifunctional PEG derivative with one hydroxyl group and one carboxylate tert-butyl ester. The protected carboxyl (COOH) prevents self coupling or polymerization under standard acid/amine or acid/hydroxyl coupling conditions. The protected acid can be regenerated by acidic or basic hydrolysis.

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