Nicotine (S)-Form from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• 99.5%+ purity with enantiomeric excess data required; FDA tobacco regs apply
• DEA/Form 5100 reporting for >0.5% concentrations