duvortuxizumab duvortuxizumab duvortuxizumab (inn) is a chimeric/humanized monoclonal antibody designed for the treatment of b-cell malignancies. duvortuxizumabmonoclonal antibodytypesingle-chain variable fragmentsourcechimeric/humanized hybrid (mouse/human)targetcd19clinical dataatc codenoneidentifierscas number1831098-91-9chemspidernoneuniij545gse96ykeggd11372chemical and physical dataformulac4850h7485n1305o1487s35molar mass108989.98 g·mol−1 this drug was developed by janssen global services.