Clemastine Fumarate from Mexico
Clemastine fumarate is a second-generation antihistamine with anti-nauseant applications in allergy treatment. Modified aromatic heterocyclic structure under HTS 2933.59.21.00. Fits chapter for drugs with nitrogen hetero-atoms.
Duty Rate — Mexico → 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
• Fumarate salt per note C; HPLC purity cert needed
• Pitfall: brightening agent additives exclude to 3204
• GMP sourcing prevents detentions