Thiol-PEG-CH2COOH, MW 2,000 is a thiol functionalized polyPEG. The -COOH is reactive with primary amine in the presence of activator, such as EDC or HATU. The thiol moiety can react with many functional groups, such as maleimide, pyridyl disulfide, and transition metal. Reagent grade, for research purpose.
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