U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2922.49.8000
$36.1M monthly imports
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Ruling Age
22 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-03 · Updates monthly
The tariff classification of D-Leucine methyl ester hydrochloride, CAS # 5845-53-4, imported in bulk form, from Japan
NY K82090 January 8, 2004 CLA-2-29:RR:NC:2:240 K82090 CATEGORY: Classification TARIFF NO.: 2922.49.8000 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, Illinois 60089 RE: The tariff classification of D-Leucine methyl ester hydrochloride, CAS # 5845-53-4, imported in bulk form, from Japan Dear Mr. Chivini: In your letter dated December 12, 2003 you requested a tariff classification ruling. The subject product, D-Leucine methyl ester hydrochloride, is a salt of an amino acid ester indicated for use as a pharmaceutical intermediate. The applicable subheading for D-Leucine methyl ester hydrochloride will be 2922.49.8000, Harmonized Tariff Schedule of the United States (HTS), which provides for Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof: Other: Other: Other: 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 Stephanie Joseph at 646-733-3268. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division
CIT and CAFC court opinions related to the tariff classifications in this ruling.