品牌:金畔生物  Laysan  Nanocs修饰性PEG



PG2-CAVS-5k Vinylsulfone PEG acid, VS-PEG-COOH 5000 Da 100 mg $285.00
PG2-CAVS-3k Vinylsulfone PEG acid, VS-PEG-COOH 3400 Da 100 mg $325.00
PG2-CAVS-2k Vinylsulfone PEG acid, VS-PEG-COOH 2000 Da 100 mg $385.00



Vinylsulfone (VS) functionalized polyethylene glycol (VS PEG) is a thiol (-SH) group reactive PEG derivative that can be used to modify biomolecules or other materials via their available thiol groups. VS group react with free thiol groups easily in aqueous buffer between pH 6.5~8.5 at room temperature.

Physical Properties:

  • Off-white/white solid or viscous liquid depends on molecule weight;
  • Soluble in regular aqeous solution as well as most organic solvents;

Storage Conditions:

  • Store at -20 0C, dessiccated Protect from light. Avoid frequent thaw and freeze.