DBCO-PEG4-Val-Cit-PAB-MMAE CAS:2129164-91-4 is a precursor of antibody drug conjugate. It contains a DBCO PEG4 moiety, a protease-sensitive Val-Cit dipeptide, a PABC linker and a MMAE payload. DBCO Linker is commonly used for copper-free Click Chemistry reactions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.