Dutasteride Synonyms: (5alpha, 17beta)-n-{2, 5-bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-l-ene-17-carboxamide; DUTASTERIDE; (5A, 17)-N-[2, 5-Bis(trifluoromethyl)phenyl]-3-oxo-4-azaandrost-1-ene-17-carboxamide; Avodart; GI 198745 CAS: 164656-23-9 MF: C27H30F6N2O2 MW: 528.53 Assay: 99% Color: white powder