U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2924.29.7100
$50.2M monthly imports
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Ruling Age
22 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-04 · Updates monthly
The tariff classification of BOC-L-Trityl glutamine, CAS # 132388-69-3, from Japan
NY J86511 August 1, 2003 CLA-2-29:RR:NC:2:240 J86511 CATEGORY: Classification TARIFF NO.: 2924.29.7100 Mr. Christopher J. Colford Mitsui & Co. (U.S.A.), Inc. 200 Park Avenue New York, NY 10166-0130 RE: The tariff classification of BOC-L-Trityl glutamine, CAS # 132388-69-3, from Japan Dear Mr. Colford: In your letter dated June 16, 2003 you requested a tariff classification ruling. The subject product, BOC-L-Trityl glutamine, is an ester of an aromatic cyclic amide indicated for use as a pharmaceutical intermediate. The applicable subheading for BOC-L-Trityl glutamine, also known as L-Glutamine, N2-[(1,1-dimethylethoxy)carbonyl]-N-(triphenylmethyl)-, will be 2924.29.7100, Harmonized Tariff Schedule of the United States (HTS), which provides for Carboxyamide-function compounds; amide-function compounds of carbonic acid: Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof: Other: Aromatic: Other: Other: Other: Products described in additional U.S. note 3 to section VI….. The rate of duty will be 7.2 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