Obeticholic Acid Impurity G Catalogue A27832 CAS 865244-30-0 M.W 420.63 M.F C26H44O4 Specifications FAQs Synonyms:(R)-4-((3R,5S,6R,7S,8S,9S,10S,13R,14S,17R)-6-ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid