The tariff classification of L-Tyrosine tert-butyl ester (CAS # 16874-12-7) from Germany
Issued June 18, 2001 by U.S. Customs and Border Protection.
Tariff classification
HTS codes: 2922.50.3500
Headings: 2922
Product description
L-Tyrosine tert-butyl ester, also known as L-Tyrosine, 1,1-dimethylethyl ester, is an ester of an aromatic amino acid phenol. Based on your letter, product will be used in research and development.
CBP rationale
The applicable subheading for L-Tyrosine tert-butyl ester will be 2922.50.3500, Harmonized Tariff Schedule of the United States (HTS), which provides for Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function: Aromatic: Other: Other: Products described in additional U.
Full text
NY H80819 June 18, 2001 CLA-2-29:RR:NC:2:240 H80819 CATEGORY: Classification TARIFF NO.:2922.50.3500 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, Illinois 60089 RE: The tariff classification of L-Tyrosine tert-butyl ester (CAS # 16874-12-7) from Germany Dear Mr. Chivini: In your letter dated April 12, 2001, you requested a tariff classification ruling. L-Tyrosine tert-butyl ester, also known as L-Tyrosine, 1,1-dimethylethyl ester, is an ester of an aromatic amino acid phenol. Based on your letter, product will be used in research and development. The applicable subheading for L-Tyrosine tert-butyl ester will be 2922.50.3500, Harmonized Tariff Schedule of the United States (HTS), which provides for Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function: Aromatic: Other: Other: Products described in additional U.S. note 3 to section VI. Pursuant to General Note 13 to the Harmonized Tariff Schedule, this product will be free of duty. 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 212-637-7066. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division
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