SPDP-PEG-CH2CO2H, MW 10,000 is a thiol reactive polymer used in PEGylation of protein/peptide (cysteine) or other thiol molecule. The compound can react with an amino molecule in the presence of activating agent, such as HATU/EDC. The long chain of PEG improves the solubility of PEG siginificantly in an aqueous solution. Reagent grade, for research purpose.
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