Tetrazine-PEG9-NHS ester is a heterobifunctional linker. It features a tetrazine moiety for inverse electron demand Diels-Alder reactions. The activated NHS ester connects to primary amines of molecules. The tetrazine reacts with strained alkenes like trans-cyclooctene, producing a stable dihydropyridazine bond.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
