Ritodrine Hydrochloride from Canada
Ritodrine hydrochloride, a tocolytic agent with unfused thiazole ring, classified under HTS 2934.10.10.00. Used in pharmaceutical production for preterm labor treatment.
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
• Provide stability data for hydrochloride salt form; temperature-controlled shipping required
• Include pharmacopeial compliance (BP/USP) and impurity profile per ICH Q3A
• Declare therapeutic classification on commercial invoice for FDA import alert screening