CAS: 50-76-0 Chemical Name: Dactinomycin; Actinomycin I; Oncostatin K; Chounghwamycin B; 2-Amino-4,6-dimethyl-3-oxo-1-N,9-N-bis[7,11,14-trimethyl-2,5,9,12,15-pentaoxo-3,10-di(propan-2-yl)-8-oxa-1,4,11,14-tetrazabicyclo[14.3.0]nonadecan-6-yl]phenoxazine-1,9-dicarboxamide