U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2933.29.5000
$6.9M monthly imports
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Ruling Age
32 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-02 · Updates monthly
The tariff classification of D-Histidine from Japan.
NY 893624 February 25, 1994 CLA-2-29:S:N:N1:229 893624 CATEGORY: Classification TARIFF NO.: 2933.29.5000 Mr. Edmund J. Corboy Austin Chemical Company 1565 Barclay Boulevard Buffalo Grove, IL 60089-4537 RE: The tariff classification of D-Histidine from Japan. Dear Mr. Mr. Corboy: In your letter dated December 29, 1993, you requested a tariff classification ruling. The applicable subheading for the D-Histidine (CAS# 351-50-8) will be 2933.29.5000, Harmonized Tariff Schedule of the United States (HTS), which provides for other heterocyclic compounds. The duty rate 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