U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2932.99.9090
$39.6M monthly imports
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Ruling Age
21 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly
The tariff classification of N-Acetyl Mannosamine (CAS 4773-29-9) from New Zealand.
NY K84660 May 28, 2004 CLA-2-29:RR:NC:2:239 K84660 CATEGORY: Classification TARIFF NO.: 2932.99.9090 Mr. Joseph Chivini Austin Chemical Company 1565 Barclay Blvd. Buffalo Grove, IL 60089 RE: The tariff classification of N-Acetyl Mannosamine (CAS 4773-29-9) from New Zealand. Dear Mr. Chivini: In your letter dated March 23, 2004, you requested a tariff classification ruling for N-Acetyl Mannosamine which you have stated will be used as a pharmaceutical intermediate and will be packaged in bulk form. The applicable subheading will be 2932.99.9090, Harmonized Tariff Schedule of the United States (HTS), which provides for heterocyclic compounds with oxygen hetero-atom(s) only: other. The rate of duty will be 3.7 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