U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2933.29.9000
$4.3M monthly imports
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Ruling Age
23 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly
The tariff classification of Curezol 2E4MZ (CAS 23996-25-0) from Japan.
NY I84423 August 26, 2002 CLA-2-29:RR:NC:2:239 I84423 CATEGORY: Classification TARIFF NO.: 2933.29.9000 Mr. Milton Tamamoto Hankyu International Transport USA Inc. Cargo Building 75, Room 235 Jamaica, NY 11430 RE: The tariff classification of Curezol 2E4MZ (CAS 23996-25-0) from Japan. Dear Mr. Tamamoto: In your letter dated July 18, 2002, on behalf of your client Shikoku International Corporation, you requested a tariff classification ruling for Curezol 2E4MZ (Chemical Name – 1-Cyanoethyl-2-Ethyl-4-Methylimidazole) which you have stated is used as an accelerator for epoxy resin. The applicable subheading will be 2933.29.9000, 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: other. 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 Andrew Stone at 646-733-3032. Sincerely, Robert B. Swierupski, Director National Commodity Specialist Division