The tariff classification of Estra-4,9-diene-3,17-dione (CAS-5173-46-6), imported in bulk form, from China
Active· CBP ruling HQ L89156· Issued 2005-12-21
Ruling text
NY L89156 December 21, 2005 CLA-2-29:RR:NC:2:238 L89156 CATEGORY: Classification TARIFF NO.: 2937.29.9050 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, IL 60089 RE: The tariff classification of Estra-4,9-diene-3,17-dione (CAS-5173-46-6), imported in bulk form, from China Dear Mr. Chivini: In your letter dated November 21, 2005, you requested a tariff classification ruling. The subject product, Estra-4,9-diene-3,17-dione (chemical name: 19-Norandrosta-4,9-diene-3,17-dione), is described, in an article found on the World Wide Web, as a “Trenbolone precursor.” You state in your letter that the product is intended for use as a “pharmaceutical intermediate.” The applicable subheading for Estra-4,9-diene-3,17-dione, imported in bulk form, will be 2937.29.9050, Harmonized Tariff Schedule of the United States (HTS), which provides for “Steroidal hormones, their derivatives and structural analogues: Other: Other: Anabolic agents and androgens.” The rate of duty will be free. This merchandise may be subject to the requirements of the Controlled Substances Act, which is enforced by the U.S. Drug Enforcement Administration (DEA), Office of Diversion Control. You may contact them at 2401 Jefferson Davis Highway, Alexandria, VA 22301, telephone (800) 882-9539. 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 Harvey Kuperstein at 646-733-3033. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division
Source: rulings.cbp.gov — ruling L89156, retrieved 2026-10-12T05:52:54Z, republished verbatim. This digest is informational; only CBP issues binding rulings.