Biotin-PEG-Thiol, MW 10,000 is a biotin PEG polymer containing a thiol group. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The hydrophilic PEG chain increases water solubility of the compound. Reagent grade, for research use only.
Usually ships within 24 hours.