Metoprolol Tartrate USP from Mexico
Metoprolol tartrate is a beta-blocker drug featuring amino-phenol structure with ether and alcohol oxygen functions, imported as the tartrate salt. It qualifies under this HTS as a salt of oxygen-function amino-compound designated as a drug. Used primarily in cardiovascular medications.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit salt formation details and stability data; verify tartrate salt meets pharmacopeial specs
• Common pitfall: incorrect declaration as base form; use precise chemical name and CAS (37350-58-6)