carotuximab carotuximab carotuximab (inn) (trc-105) is a chimeric monoclonal antibody designed for the treatment of cancer. carotuximabmonoclonal antibodytype?sourcechimeric (mouse/human)targetendoglinclinical dataother namestrc-105atc codenoneidentifierscas number1268714-50-6chemspidernoneuniiyb2ewe6139keggd11260chemical and physical dataformulac6420h9922n1718o2010s46molar mass144808.77 g·mol−1 this drug was developed by tracon pharmaceuticals inc. it is at phase iii trials for angiosarcoma.