Nicotine (S)-Form from Canada
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 — Canada → 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
• 99.5%+ purity with enantiomeric excess data required; FDA tobacco regs apply
• DEA/Form 5100 reporting for >0.5% concentrations