Isoxsuprine Hydrochloride Bulk from Japan
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 — Japan → United States
27.5%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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