U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2933.29.5000
$4.3M monthly imports
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Ruling Age
36 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly
The tariff classification of 4(5)-aminoimidazole-5(4)-carboxamide hydrochloride from West Germany.
NY 850813 APR 05 1990 CLA-2-29:S:N:N1:239 850813 CATEGORY: Classification TARIFF NO.: 2933.29.5000 Mr. Bernhard E. Holzapfel George Uhe Co., Inc. P.O. Box 970 Paramus, NJ 07653-0970 RE: The tariff classification of 4(5)-aminoimidazole-5(4)- carboxamide hydrochloride from West Germany. Dear Mr. Holzapfel: In your letter dated March 20, 1990, you requested a tariff classification ruling. The applicable subheading for 4(5)-aminoimidazole-5(4)- carboxamide hydrochloride (CAS# 72-40-2) will be 2933.29.5000, Harmonized Tariff Schedule of the United States (HTS), which provides for other heterocyclic compounds containing an unfused imidazole ring in the structure. The rate of duty will be 7.9 percent ad valorem. This ruling is being issued under the provisions of Section 177 of the Customs Regulations (19 C.F.R. 177). A copy of this ruling letter should be attached to the entry documents filed at the time this merchandise is imported. If the documents have been filed without a copy, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport