Trimeprazine Tartrate from Canada
Trimeprazine tartrate is a phenothiazine antihistamine with sedative effects, featuring the ring-system structure. It qualifies for HTS 2934.30.43.00 under additional U.S. note 3 to section VI as a salt of a listed heterocyclic compound. Inorganic-organic salt classification follows the organic component.
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document tartrate salt ratio and water content; FDA import alert checks common; declare as bulk API to prevent retail misclassification