CM-PEG-CM (Carboxymethyl-PEG-Carboxymethyl), MW 10K is a kind of linear bifunctional PEG carboxylic acid reagent. Conjugation with homobifunctional PEG ensures increased drug loading compared to PEGylation using linear PEG.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.