Rivaroxaban EP Impurity A

Chemical Name: 5-chloro-N-[[(5R)-2-oxo-3-[4-(3-oxomorpholin-4-yl)phenyl]-1,3-oxazolidin-5-yl]methyl]thiophene-2-carboxamide (as per EP); (R)-5-Chloro-N-({2-oxo-3-[4-(3-oxomorpholino)phenyl]oxazolidin-5-yl}methyl)thiophene-2-carboxamide (as per USP)

Synonym: Rivaroxaban R-enantiomer