Tryptophan

This classification denotes a dietary amino acid with the molecular formula C11H12N2O2, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 8DUH1N11BX, chemically known as 1h-indole-3-propanoic acid, a-amino-, (s)- but generally known as l-tryptophan, which bears US NIH Compound Identifier 1148. European Medicines Agency schedules Tryptophan in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB12377MIG. The term TRYPTOPHAN is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 2, No. 3, 1988, List 28). World Health Organization schedules l-tryptophan in its Anatomical Therapeutic Chemical (ATC) Classification. As of Q4 2014, TRYPTOPHAN remains the US FDA Preferred Term for this commodity. Tryptophan bears US NLM identifiers UMLS ID C0041249 and NCI Concept Code C29603. SMILES: C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N.