GENERAL CATALOGUE
Tos-PEG6-acid
HY-W572763 · 50 mg
MedChemExpress · Cat: HY-W572763
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Catalog No: HY-W572763
CAS No: 2803338-37-4
Pack Size: 50 mg
Brand: MedChemExpress
Description
Tos-PEG6-acid 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 react with primary amine groups in the presence of activators e.g. HATU to form a stable amide bond.