Cetirizine

This classification denotes a histamine-1 receptor antagonist with the molecular formula C21H25ClN2O3, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier YO7261ME24, chemically known as acetic acid, (2-(4-((4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)- but generally known as cetirizine, which bears US NIH Compound Identifier 2678. European Medicines Agency schedules Cetirizine in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB07451MIG. The term CETIRIZINE is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 38, No. 6, 1984, List 24). World Health Organization schedules cetirizine in its Anatomical Therapeutic Chemical (ATC) Classification. CETIRIZINE is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations schedule cetirizine under HS 29335995 and SITC 51576. As of Q4 2014, CETIRIZINE remains the US FDA Preferred Term for this commodity. Cetirizine bears US NLM identifiers UMLS ID C0055147 and NCI Concept Code C1042. SMILES: CLC1CCC(C(N2CCN(CC2)CCOCC(=O)O)C2CCCCC2)CC1.