Rivaroxaban Impurity 67, CAS 1082495-22-4, is a low-molecular-weight heteroaromatic impurity with molecular formula C10H12N2O2 and molecular weight 192.21 g/mol. Its composition is consistent with a pyridine-derived nitrogenous species arising from synthetic intermediates, process-related side reactions, or oxidative degradation of rivaroxaban-related precursors. Owing to its structural features and potential co-elution with related species, trace-level determination typically requires orthogonal LC-MS/MS and, where volatility permits, GC-MS confirmation. In a regulatory context, impurities of this class are assessed under impurity control and ICH M7 principles when structural alerts for mutagenic risk are present.
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