The tariff classification of Favipiravir (CAS No. 259793-96-9) in bulk form, from Taiwan

N314505 October 6, 2020 CLA-2-29:OT:RR:NC:N3:138 CATEGORY: Classification TARIFF NO.: 2933.99.4600 Ms. Yaling Lo Pharmaports LLC 1 E. Uwchlan Avenue, Suite 116 Exton, PA 19341 RE: The tariff classification of Favipiravir (CAS No. 259793-96-9) in bulk form, from Taiwan Dear Ms. Lo: In your letter dated September 10, 2020, on behalf of Chunghwa Chemical Synthesis & Biotech Co., Ltd., you requested a tariff classification ruling. Favipiravir is a pyrazinecarboxamide derivative with activity against RNA viruses. It is an anti-viral agent that selectively and potently inhibits the RNA-dependent RNA polymerase (RdRp) of RNA viruses. Currently, Favipiravir is undergoing phase 2 clinical trials for the treatment of Covid-19 in the United States and it is also indicated for the treatment of influenza in Japan. The applicable subheading for the Favipiravir in bulk form will be 2933.99.4600, Harmonized Tariff Schedule of the United States (HTSUS), which provides for “Heterocyclic compounds with nitrogen hetero-atom(s) only: Other: Other: Aromatic or modified aromatic: Other: Drugs: Anti-infective agents: Other." Pursuant to GN 13, HTSUS, the rate of duty will be free. Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUS and the accompanying duty rates are provided on the World Wide Web at https://hts.usitc.gov/current. This merchandise may be subject to the Federal Food, Drug, and Cosmetic Act and/or The Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (The Bioterrorism Act), which are administered by the U.S. Food and Drug Administration (FDA). Information on the Federal Food, Drug, and Cosmetic Act, as well as The Bioterrorism Act, can be obtained by calling the FDA at 1-888-463-6332, or by visiting their website at www.fda.gov. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Judy Lee at judy.h.lee@cbp.dhs.gov. Sincerely, Steven A. Mack Director National Commodity Specialist Division