Polyethylene Glycol (PEGs & PEOs)

HO-PEG-amine, MW20K is a PEG derivative which contains hydroxyl and amine moieties. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The amine group is reactive towards carboxylic acids,

HO-PEG-CH2COOH, MW 2K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 2K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 5K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 5K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 3.4K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 3.4K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 10K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 10K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 20K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-CH2COOH, MW 20K is a PEG derivative containing hydroxyl group and terminal carboxylic acid moieties. The hydroxyl group can further react to derivatize the compound. The terminal carboxylic acid can react with primary amines with activators

HO-PEG-Mal, MW 2K is a PEG derivative containing a hydroxyl group and a maleimide group. The hydroxyl group can further react to derivatize the compound. The maleimide can react with thiol groups from pH 6.5 to 7.5. The hydrophilic PEG chain