Phenazopyridine

This classification denotes a nonnarcotic analgesic with the molecular formula C11H11N5, a preparation that US FDA recognizes as an active ingredient or moiety under Unique Ingredient Identifier K2J09EMJ52, chemically known as 2,6-pyridinediamine, 3- (phenylazo)-, monohydrochloride but more generally known as phenazopyridine, which bears U.S. NIH Compound Identifier 4756. European Medicines Agency schedules Phenazopyridine in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB09754MIG. The term PHENAZOPYRIDINE is an International Non-Proprietary Name. World Health Organization schedules phenazopyridine in its Anatomical Therapeutic Chemical (ATC) Classification and its WHO-DD or Drug Dictionary. PHENAZOPYRIDINE is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix.