Nicotine (S)-Form from China
Nicotine in its natural (S)-configuration is a pyridine-piperidine alkaloid sometimes argued under quinoline-related structures, but strictly a bicyclic nitrogen heterocycle. Included in HTS 2933.49.70.00 as other nitrogen heterocyclics if not specifically excluded; primarily imported for vaping and pharmaceutical use. Chemically defined per chapter note (a).
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
• 99.5%+ purity with enantiomeric excess data required; FDA tobacco regs apply
• DEA/Form 5100 reporting for >0.5% concentrations