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Functional PEGs

mPEG-SH, mPEG-Thiol, MW 550

Catalog: TASK-03-1000010   CAS NO.: 134874-49-0
  • 1g
  • 5g


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Poly(ethylene glycol) methyl ether thiol (mPEG-SH, mPEG-Thiol, Methoxy PEG Thiol) is a linear monofunctional PEG, which has a free thiol group at one end that can selectively react with maleimide and transition metal surface including gold, silver, etc. mPEG-SH is commonly used to modify gold or silver nanoparticles. Also, it can be easily oxidized by air through S-S disulfide bonds to form dimers, which can be reversed with reducing agents.


CAS No.134874-49-0
Molecular Weight550
Ship Within1 week
Storage Temp.-20℃
Shipping4-25℃ for up to 3 weeks
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