Bis-PEG-COOH (MW 1000)

Bis-PEG-COOH (MW 1000) is a disubstituted PEG derivative with the same functional group. The carboxylic acid group in Bis-PEG-COOH (MW 1000) can react with other compounds containing amino, hydroxyl and other functional groups to form stable chemical bonds, which can be used for drug delivery[1].