Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: — Other:
Part of: 2933 — Heterocyclic compounds with nitrogen hetero-atom(s) only:
W563169 · 2007-08-31 — Protest AFR No. 3195-04-100142; Polypeptides; 9817.85.01 Prototype Treatment; Additional U.S. Rule of Interpretation 1(b); Actual Use; 19 CFR 10.134; Classification
This is our decision on the application for further review (AFR) of protest no. 3195-04-100142, timely filed against your classification of polypeptides, under the Harmonized Tariff Schedule of the United States (HTSUS). Our decision follows a teleconference held on June 8, 2005, between counsel for the protestant, American Peptide Company, Inc. (APC) and members of the staff of the Office of Regulations and Rulings, Tariff Classification and Marking Branch and Valuation and Special Programs Branch. We have granted the protestant’s request for confidentiality for the structural formulas and…
963686 · 2001-01-23 — Protest 0401-99-100328; amino acid derivatives
This is our decision on protest 0401-99-100328 timely filed on October 25, 1999, by counsel on behalf of the Genzyme Corp., against your decision on the classification of thirteen amino acid derivatives under the Harmonized Tariff Schedule of the United States (HTSUS). The entries dated November 5, 1998, and February 2, 1999, were liquidated on July 30, 1999. FACTS: The merchandise included in the protest consists of thirteen amino acid derivatives. Each product is an amino acid with more than one additional functional group. It is not disputed that these products are amino acid derivatives.…
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