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1347750-82-6

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1347750-82-6 Structure

1347750-82-6 Structure
IdentificationBack Directory
[Name]

Thiol-PEG3-acid
[CAS]

1347750-82-6
[Synonyms]

SH-PEG3-COOH
HS-PEG3-COOH
Thiol-PEG3-acid
Thiol-PEG3-propionic acid
3-(2-(2-(2-Mercaptoethoxy)ethoxy)ethoxy)propanoic acid
Propanoic acid, 3-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]-
[Molecular Formula]

C9H18O5S
[MDL Number]

MFCD25424073
[MOL File]

1347750-82-6.mol
[Molecular Weight]

238.3
Chemical PropertiesBack Directory
[Boiling point ]

377.5±37.0 °C(Predicted)
[density ]

1.163±0.06 g/cm3(Predicted)
[pka]

4.28±0.10(Predicted)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302+H312+H332-H315-H319-H335
[Precautionary statements ]

P280-P301+P312-P362+P364
Hazard InformationBack Directory
[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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