Rivaroxaban EP Impurity A Catalogue L126441 CAS 865479-71-6 M.W 435.88 M.F C19H18ClN3O5S Specifications FAQs Synonyms:(R)-5-chloro-N-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)thiophene-2-carboxamide