Tetramethylpyrazine from Canada
A specific pyrazine derivative explicitly listed under HTS 2933.99.1200, featuring a six-membered aromatic nitrogen heterocycle. Used as a flavoring agent in food and in pharmaceutical formulations for circulatory disorders. Its precise chemical structure matches the tariff nomenclature.
Duty Rate — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• FEMA GRAS status documentation for food flavor use
• Specify intended use (food vs pharma) on commercial invoice
• CoA required confirming synthetic origin vs natural extract