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I818482002-06-17New YorkClassification

The tariff classification of Trienone (CAS 2222-33-5) from Italy.

U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced

Cross-Source Intelligence

Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-30 · Updates monthly

Summary

The tariff classification of Trienone (CAS 2222-33-5) from Italy.

Ruling Text

NY I81848 June 17, 2002 CLA-2-29:RR:NC:2:239 I81848 CATEGORY: Classification TARIFF NO.: 2914.39.9000 Mr. Jack D. Mlawski Galvin & Mlawski 470 Park Ave. South, Suite 200 New York, NY 10016-6819 RE: The tariff classification of Trienone (CAS 2222-33-5) from Italy. Dear Mr. Mlawski: In your letter dated May 3, 2002, on behalf of your client Merck & Co., Inc., you requested a tariff classification ruling for Trienone (Chemical Name – 5H-Dibenzo [a,d] Cyclohepten-5-One) which you have stated is an intermediate used in the production of Amitriptyline. The applicable subheading will be 2914.39.9000, Harmonized Tariff Schedule of the United States (HTS), which provides for ketones and quinones, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated, or nitrosated derivatives: aromatic ketones without other oxygen function: other. Pursuant to General Note 13 to the Harmonized Tariff Schedule this product is duty free. 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 Andrew Stone at 646-733-3032. Sincerely, Robert B. Swierupski, Director National Commodity Specialist Division