2924.21.20.00/Diamfenetide/China

Diamfenetide from China

Diamfenetide is an aromatic ureine derivative used as an anthelmintic drug for treating liver fluke infections in animals. It falls under HTS 2924.21.20.00 as an aromatic ureine derivative listed in additional U.S. note 3 to section VI for specific regulated organic compounds. This classification applies to its chemically defined structure with carboxyamide-function in cyclic form.

Duty Rate — China → United States

41.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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Import Tips

• Verify inclusion in additional U.S. note 3 to section VI and obtain FDA approval for veterinary pharmaceuticals before import

• Provide detailed chemical purity certificates and stability data to avoid reclassification as a different amide compound

• Ensure proper labeling as a regulated substance to prevent delays at customs due to safety or identification concerns