Polyethylene Glycol (PEGs & PEOs)

Mal-PEG4-alcohol is a PEG derivative containing a maleimide group and a hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional

Mal-PEG4-alcohol is a PEG derivative containing a maleimide group and a hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional

Mal-PEG4-alcohol is a PEG derivative containing a maleimide group and a hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional

Mal-PEG4-amine TFA salt is a PEG derivative containing a maleimide group and an amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls

Mal-PEG4-amine TFA salt is a PEG derivative containing a maleimide group and an amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls

Mal-PEG4-Glu(OH)-NH-m-PEG24.

Mal-PEG4-Glu(OH)-NH-m-PEG24.

Mal-PEG4-Glu(OH)-NH-m-PEG24.

Mal-PEG4-Glu(TFP ester)-NH-m-PEG24.

Mal-PEG4-Glu(TFP ester)-NH-m-PEG24.

Mal-PEG4-Glu(TFP ester)-NH-m-PEG24.

Mal-PEG4-Lys(t-Boc)-NH-m-PEG24 is a PEG derivative containing a maleimide end group and a t-Boc protected lysine. The maleimide can react with thiol groups between a pH range of 6.5 to 7.5. The t-Boc can be removed under acidic conditions. The