Mal-amido-PEG1-C2-​NHS ester

Mal-amido-PEG1-C2-NHS ester is a nonclaevable ADC linker containing a maleimide group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules[1][2]