Loperamide Hydrochloride from Mexico
Loperamide HCl, antidiarrheal with piperidine ring attached to substituted diphenylmethane. Nitrogen hetero-atoms only in heterocyclic system. 2933.99.8290 other aromatic N-heterocycles. OTC and Rx antidiarrheal API.
Duty Rate — Mexico → 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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify R-configuration at chiral center per pharmacopeia
• OTC monograph product vs Rx affects documentation
• Limit impurities especially keto-loperamide per limits