CM-PEG-CM (Carboxymethyl-PEG-Carboxymethyl), MW 5K is a PEG derivative with two identical activated carboxyl end groups, the carboxyl groups react with amino groups to modify the molecule. PEG acids can be used to react with amine groups with peptide coupling reagents such as NHS and DCC, EDC.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
