Quinidine Gluconate from Mexico
Quinidine gluconate is the gluconic acid salt of quinidine, a cinchona alkaloid used for treating cardiac arrhythmias. Classified under HTS 2939.20.0050 as a salt derivative of cinchona alkaloids. This form enhances solubility for pharmaceutical applications.
Duty Rate — Mexico → United States
0%
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
• Provide pharmacopeial compliance certificates (USP/EP) verifying identity and potency
• Declare exact salt form and counterion ratio to avoid reclassification as base alkaloid
• Monitor for chiral purity documentation as optical isomers may affect therapeutic classification