Theobromine Powder from China
Theobromine (3,7-dimethylxanthine), a xanthine alkaloid with nitrogen-containing fused heterocyclic rings, extracted from cocoa or synthesized. Falls under 2933.99.8290 as 'other' aromatic heterocyclic nitrogen compounds not specifically named elsewhere. Used in pharmaceuticals and as a research chemical.
Duty Rate — China → United States
6.5%
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
• Include TSCA certification if used in chemical manufacturing processes
• Declare exact purity level; impurities may affect classification
• Avoid retail packaging which could trigger Chapter 38 classification