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Thiol-PEG3-acid

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Thiol-PEG3-acid Basic information

Product Name:
Thiol-PEG3-acid
Synonyms:
  • Thiol-PEG3-acid
  • Thiol-PEG3-propionic acid
  • SH-PEG3-COOH
  • HS-PEG3-COOH
  • Propanoic acid, 3-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]-
  • 3-(2-(2-(2-Mercaptoethoxy)ethoxy)ethoxy)propanoic acid
CAS:
1347750-82-6
MF:
C9H18O5S
MW:
238.3
Product Categories:
  • peg
Mol File:
1347750-82-6.mol
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Thiol-PEG3-acid Chemical Properties

Boiling point:
377.5±37.0 °C(Predicted)
Density 
1.163±0.06 g/cm3(Predicted)
pka
4.28±0.10(Predicted)
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Safety Information

HS Code 
2930909899
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Thiol-PEG3-acid Usage And Synthesis

Description

Thiol-PEG3-acid is a PEG linker containing a thiol group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.

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