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4-Arm PEG-OPSS

Cat. No. Product Name CAS No.
BPG-1055 4-Arm PEG-OPSS, MW 2k-20k Inquiry

Synonyms: Four-Arm polyethylene glycol-octadecyl pyridyldisulfide; Four-Arm PEG-OPSS; Four-Arm polyethylene glycol-OPSS

Four-Arm polyethylene glycol-octadecyl pyridyldisulfide (4-Arm PEG-OPSS) is a multiarm PEG derivative with octadecyl pyridyldisulfide groups at each terminal of the four arms connected to one pentaerythritol core. It is usually a solid powder or particle, which needs to be protected by inert gas and dissolved in some organic reagents. Four arm polyethylene glycol derivatives have a variety of active groups that can be used to modify proteins, peptides and other materials through their functional groups. The PEG terminal has an OPSS (ortho-pyridyl disulfide) group, also called PDP (pyridyldisulfide propionic acid), which is reactive with thiol, sulfhydryl, mercapto, SH or cysteine. PEG can enhance the solubility and stability, reduce the non-specific binding of charged molecules, and reduce the immunogenicity of peptides.

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PEGylation of Peptides and Proteins

PEGylation of Peptides
and Proteins

Reduce the Immunogenicity of Peptide/Protein Drugs

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APPLICATIONS

APPLICATIONS

PEG linkers For Drug

Improved Circulation Half-Life

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