enavatuzumab enavatuzumab enavatuzumab is a humanized monoclonal antibody used in the treatment of solid tumors. enavatuzumabmonoclonal antibodytypewhole antibodysourcehumanized (from mouse)targettweak receptorclinical dataatc codenoneidentifierscas number1062149-33-0 nchemspidernoneunii914910xfbbkeggd09896chemical and physical dataformulac6334h9792n1700o2000s42molar mass143104.43 g·mol−1 ny (what is this?) (verify) enavatuzumab was developed by facet biotech corp.