Theobromine Powder from China
Theobromine (3,7-dimethylxanthine), a methylxanthine alkaloid with fused nitrogen-heterocyclic rings, extracted for pharmaceutical and food applications. Falls under HTS 2933.99.9701 as 'other' heterocyclic compounds with nitrogen hetero-atoms only. Excluded from 2939 as it's often supplied in pure form rather than crude alkaloid mixtures.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Verify COA shows single isomer purity; mixtures of xanthine isomers fall under Chapter note (b)
• Include stabilizer declaration if present; Chapter note (f) allows but requires proof of necessity