Thiol-PEG-Acid, MW 10k Da (100mg)

Description

HS-PEG-COOH is a linear heterobifunctional PEGylation reagent with a thiol and a carboxylic acid. It is a useful crosslinking or bioconjugation reagent with a PEG spacer. Thiol, or SH, sulfhydryl, or mercapto group selectively reacts with maleimide, OPSS, vinylsulfone and transition metal surface including gold, silver, etc.