Cinnarizine from Canada
Cinnarizine, a piperazine antihistamine, prevents motion sickness and vertigo. Falls under HTS 2921.30.10.00 as a cyclenic polyamine derivative wholly derived from aromatic compounds, per additional U.S. note 3.
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
• Provide synthesis pathway documentation proving aromatic derivation
• Label with correct INN name and CAS (523-87-5) for customs clearance
• Monitor for anti-dumping duties on specific Asian origins