Active-Mono-Sulfone-PEG9-DBCO is a 9-PEG linker with DBCO and sulfone groups at both ends. The DBCO group can undergo copper-free click chemistry with azide. Sulfone groups can bind to thiol groups of proteins. The hydrophilic PEG9 chain increases the water solubility of the compound in aqueous media.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.