Tiacrilast

This classification denotes a histamine-1 receptor antagonist with the molecular formula C12H10N2O3S, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 74L3DXN051, chemically known as 2-propenoic acid, 3-(6-(methylthio)-4-oxo-3(4h)-quinazolinyl)-, (e)- but generally known as tiacrilast, which bears US NIH Compound Identifier 6435375. European Medicines Agency schedules Tiacrilast in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB10997MIG. The term TIACRILAST is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 39, No. 5, 1985, List 25). TIACRILAST is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations schedule tiacrilast under HS 29335995 and SITC 51576. As of Q4 2014, TIACRILAST remains the US FDA Preferred Term for this commodity. Tiacrilast bears US NLM identifiers UMLS ID C0145898 and NCI Concept Code C73059. SMILES: CSC1=CC2=C(C=C1)N=CN(C2=O)/C=C/C(=O)O.