Avelumab (anti-PD-L1) (MSB0010718C) is a fully human IgG1 monoclonal antibody that targets the protein programmed death-ligand 1 (PD-L1). Avelumab exhibits potential antibody-dependent cell-mediated cytotoxicity and is used for the treatment of several kinds of carcinoma. MW=143.8 kDa.