Tetramethylpyrazine from China
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 — China → United States
5.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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