Diphenhydramine Hydrochloride from Canada
Diphenhydramine features benzhydryl amino-ether oxygen function, an ethanolamine antihistamine. Falls under HTS 2922.50.4000 aromatic oxygen-function amino-compounds. Widely used in allergy medications.
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 hydrochloride salt assay; comply with OTC monograph requirements; distinguish from Chapter 30 finished forms