Polyethylene Glycol (PEGs & PEOs)

Hydroxy-PEG3-sulfonic acid is a PEG derivative containing hydroxyl and sulfonic acid. The hydroxyl group can participate in various reactions to further derivatize the compound. The sulfonic acid can undergo esterification, halogenation and

Hydroxy-PEG3-sulfonic acid is a PEG derivative containing hydroxyl and sulfonic acid. The hydroxyl group can participate in various reactions to further derivatize the compound. The sulfonic acid can undergo esterification, halogenation and

Hydroxy-PEG3-sulfonic acid is a PEG derivative containing hydroxyl and sulfonic acid. The hydroxyl group can participate in various reactions to further derivatize the compound. The sulfonic acid can undergo esterification, halogenation and

Hydroxy-PEG3-sulfonic acid is a PEG derivative containing hydroxyl and sulfonic acid. The hydroxyl group can participate in various reactions to further derivatize the compound. The sulfonic acid can undergo esterification, halogenation and

Hydroxy-PEG3-t-butyl ester is a PEG derivative containing a hydroxyl group with a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive

Hydroxy-PEG3-t-butyl ester is a PEG derivative containing a hydroxyl group with a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive

Hydroxy-PEG3-t-butyl ester is a PEG derivative containing a hydroxyl group with a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive

Hydroxy-PEG4-acid sodium salt is a PEG linker containing a hydroxyl group with a terminal carboxylic acid. The acid form of hydroxy-PEG4-acid is not stable, with polymerization occurring within a few days. The sodium salt form is relatively stable

Hydroxy-PEG4-CH2CO2H, sodium salt is a PEG derivative containing a hydroxyl group with a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a

Hydroxy-PEG4-CH2CO2tBu is a PEG derivative containing a hydroxyl group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with

Hydroxy-PEG4-CH2CO2tBu is a PEG derivative containing a hydroxyl group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with

Hydroxy-PEG4-CH2CO2tBu is a PEG derivative containing a hydroxyl group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with