(R)-methyl 4-((3R,5R,6S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-3,6-bis(tosyloxy)hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate; CAS No.: 1184-20-9. ChemShuttle is a trusted provider of Building Blocks like (R)-methyl 4-((3R,5R,6S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-3,6-bis(tosyloxy)hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate. Our synthesis services ensure high-purity outcomes.