Etonogestrel

This classification denotes a therapeutic progestin with the molecular formula C22H28O2, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 304GTH6RNH, chemically known as 18,19-dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-11-methylene-, (17-alpha)- but generally known as etonogestrel, which bears US NIH Compound Identifier 40976. European Medicines Agency schedules Etonogestrel in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB07335MIG. The term ETONOGESTREL is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 6, No, 3 1992, List 32). World Health Organization schedules etonogestrel in its Anatomical Therapeutic Chemical (ATC) Classification. ETONOGESTREL is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations schedule etonogestrel under HS 29372300 and SITC 54153. As of Q4 2014, ETONOGESTREL remains the US FDA Preferred Term for this commodity. Etonogestrel bears US NLM identifiers UMLS ID C0047683 and NCI Concept Code C47528. SMILES: OC1(C2(C(C3C(C4C(=CC(=O)CC4)CC3)C(=C)C2)CC1)CC)C#C.