8-Arm PEG-SH

8-Arm PEG-SH

Synonyms: Eight-Arm polyethylene glycol-SH; Eight-Arm PEG-SH

8-Arm PEG-SH has a sulfhydryl group at each end of the eight arms attached to a glycerol core and is a multi-arm PEG derivative. The sulfhydryl groups at the molecular chain end selectively react with maleimides and transition metal surfaces (including gold, silver, etc.). PEG-SH is readily oxidized by air to form S-S disulfide bonds, which can be reversed by reducing agents. It is a useful reagent for reversible PEG and PEG hydrogels. 8-Arm PEG-SAA has branching or comb-like structures and is commonly used in drug delivery systems. In addition, the dispersion and solubility of the modified drugs in vivo were improved.

Cat. No. Product Name CAS No.
BPG-1171 8-Arm PEG-SH, MW 10k-40k Inquiry

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