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Tos-PEG3-CH2CO2H


Tos-PEG3-CH2CO2H

Catalog:CDPB-041436

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INQUIRY Datasheet

Common UseTos-PEG3-CH2CO2H is a PEG derivative 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.
Structure Tos-PEG3-CH2CO2H
PEG Molecular Weight318.3 g/mol
Functional GroupTosyl/CH2CO2H
Purity98%
Storage-20°C
Molecular FormulaC13H18O7S
CAS No.1807537-35-4
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