U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2933.21.0000
$0.5M monthly imports
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Ruling Age
27 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-02 · Updates monthly
The tariff classification of 5,5-Dimethylhydantion (CAS 77-71-4) from Japan.
NY D84000 December 9, 1998 CLA-2-29:RR:NC:2:239 D84000 CATEGORY: Classification TARIFF NO.: 2933.21.0000 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, Illinois 60089 RE: The tariff classification of 5,5-Dimethylhydantion (CAS 77-71-4) from Japan. Dear Mr. Chivini: In your letter dated October 22, 1998, you requested a tariff classification ruling for 5,5-Dimethylhydantion which you have stated is a chemical intermediate and will be packaged in bulk form. The applicable subheading will be 2933.21.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for heterocyclic compounds with nitrogen hetero-atom(s) only: compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: hydantoinand its derivatives. The rate of duty will be 6.5 percent ad valorem. 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 Thomas Brady at 212-466-5747. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division