(3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-17-((R)-4-hydroxybutan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol; CAS No.: 1612191-86-2; As a leading chemical synthesis company, ChemShuttle specializes in Reference Compounds. Our APIs are produced with precision, meeting the stringent requirements of the pharmaceutical industry. We offer custom synthesis services tailored to the specific needs of our clients, ensuring optimal results for their drug development projects.