APN-PEG4-DBCO is a linker with APN for cysteine and DBCO for click chemistry. APN-cysteine bonds are stable in water, plasma, and cells, promising for bioconjugation. DBCO reacts with azides without a catalyst, thanks to its thermal stability.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.