Axispharm offers you high-purity azido-PEG4-MMAE, a synthetic antineoplastic agent conjugated to an azide group via a PEG linker. The hydrophilic PEG spacer increases its solubility in aqueous media. MMAE is a synthetic antineoplastic agent. It can attach to monoclonal antibodies (MABs), directing them to cancer cells. Mal reacts with the thiol group of the antibody. Azido groups can react with alkynes, BCN, DBCO by Click Chemistry.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.