Quinidine Gluconate from China
Quinidine gluconate is a water-soluble salt form of quinidine with a quinoline ring, used orally for cardiac arrhythmia management. It is classified in HTS 2933.49.60.00 as a non-fused quinoline heterocyclic compound referenced in additional U.S. note 3 to section VI. Chapter note (C)(1) keeps organic salts with the parent compound.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include salt formation details in technical data sheet for customs verification; ensure GMP sourcing documentation; watch for misclassification as finished medicine