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ChemicalBook--->CAS DataBase List--->1581248-63-6

1581248-63-6

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1581248-63-6 Structure

1581248-63-6 Structure
IdentificationBack Directory
[Name]

Tos-PEG4-CH2CO2H
[CAS]

1581248-63-6
[Synonyms]

Tos-PEG4-CH2CO2H
Tos-PEG3-CH2COOH
[Molecular Formula]

C15H22O8S
[MDL Number]

MFCD27977516
[MOL File]

1581248-63-6.mol
[Molecular Weight]

362.4
Chemical PropertiesBack Directory
[solubility ]

Soluble in DCM
Hazard InformationBack Directory
[Description]

Tos-PEG4-CH2CO2H is a PEG linker containing a tosyl group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.
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