Catalog No. : PSB-4069
Product Name : 4-Arm PEG-Hydrazide, MW 20k
Description :

4-Arm PEG-Hydrazide is a multiarm PEG derivative with hydrazide (CONHNH2) groups at each terminal of the four arms connected to one pentaerythritol core. 4arm-PEG-hydrazide can react with ketone or aldehyde to form acyl hydrazone linkers, which are pH sensitive and can be used for reversible PEGylation. Hydrazine PEG is also used to PEGylate carboxyl, carboxylic acid groups.


1. The effect of hydrazide linkers on hyaluronan hydrazone hydrogels, Carbohydrate Polymers, 216, 2019, 63-71, Text.

2. Microbubbles Cloaked with Hydrogels as Activatable Ultrasound Contrast Agents, ACS Appl. Mater. Interfaces 2020, Text.

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