2-(t-Butoxycarbonylamido)-1,3-bis(PFP-oxycarbonylethoxy)propane brached linker. It contains a Boc protected amino group and two PFP end groups. The t-Boc group can be removed under acidic conditions to form a free acid for bioconjugation. The PFP groups can react with amine containing molecules to form a stable amide bond.
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.