Levonordefrin from Mexico
Levonordefrin, a synthetic analog related to listed INN compounds under amfetamine derivatives, is covered by HTS 2921.46.00.00. As an aromatic monoamine used in dental anesthetics, it qualifies as a separate organic compound. Chapter notes confirm salts thereof remain in this specific provision.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.60100%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide pharmacopoeial compliance certificates (USP/EP) for dental-grade purity
• Declare end-use as pharmaceutical intermediate to qualify for duty preferences
• Monitor for anti-dumping duties on Chinese-origin sympathomimetic amines