Isoxsuprine Hydrochloride Bulk from Mexico
Isoxsuprine hydrochloride, explicitly under HTS 2922.50.1300, is a vasoactive drug with aromatic amino-phenol oxygen function. Used in veterinary and human formulations for peripheral vasodilation. This bulk powder import matches the precise chemical description in the tariff.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.60100%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
• Veterinary end-use requires additional APHIS documentation if not human pharma grade
• Verify batch certificates match molecular formula C18H23NO3·HCl for customs verification
• Ship under temperature-controlled conditions to maintain API stability