Maleimide PEG Acetic Acid (MAL-PEG-COOH), MW 5K is a commonly used cross-linking agent or spacer between two different chemical entities. Maleimide reacts with thiol, SH, sulfhydryl or sulfhydryl, and carboxyl can react with amine or hydroxyl under standard acid/amine or acid/alcohol coupling conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
