U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2933.39.4700
$104.0M monthly imports
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Ruling Age
33 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly
The tariff classification of 5-methyl-2,3-pyridinedicarboxylic acid (CAS# 53636-65-0) from Brazil.
NY 875765 July 8, 1992 CLA-2-29:S:N:N1:239 875765 CATEGORY: Classification TARIFF NO.: 2933.39.4700 Ms. Mariana Davidovich American Cyanamid Company One Cyanamid Plaza Wayne, NJ 07470 RE: The tariff classification of 5-methyl-2,3-pyridine dicarboxylic acid (CAS# 53636-65-0) from Brazil. Dear Ms. Davidovich: In your letter dated June 26, 1992, you requested a tariff classification ruling. The applicable subheading for 5-methyl-2,3-pyridine dicarboxylic acid, which you call 5-MPDC, will be 2933.39.4700, Harmonized Tariff Schedule of the United States (HTS), which provides for other heterocyclic compounds containing an unfused pyridine ring in the structure. The rate of duty will be 13.5 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