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Isoxsuprine Hydrochloride Bulk from China

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 — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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