SPDP-PEG-CH2CO2H, MW 5,000 is a heterobifunctional PEG polymer. The compound can react with an amino molecule in the presence of activating agent, such as HATU/EDC. The SPDP moiety enables conjugation between PEG and thiol via formation of a new disulfide bond. Reagent grade, for research purpose.
Usually ships within 24 hours.