Tos-PEG4-CH2CO2H


Tos-PEG4-CH2CO2H

Catalog:CDPB-041437

Unit Size:250 mg, 1 g

INQUIRY Datasheet

Specifications
Common Use Tos-PEG4-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-PEG4-CH2CO2H
PEG Molecular Weight 362.4 g/mol
Functional Group Tosyl/CH2CO2H
Purity 98%
Molecular Formula C15H22O8S
CAS No. 1581248-63-6
Storage -20°C
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