Methoxy PEG Succinimidyl Carboxymethyl Ester(mPEG-SCM), MW 40K CAS: 92451-01-9 is a mPEG-NHS reagent with a methylene (CH2) bond between PEG and NHS estre, widely used for drug conjugation in the product of the reaction.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
