Clocinizine Hydrochloride from Mexico
Clocinizine hydrochloride, a less common piperazine antihistamine, treats allergic conditions. Falls under HTS 2921.30.10.00 as it matches the criteria for cyclanic polyamine derivatives from aromatics in additional U.S. note 3.
Duty Rate — Mexico → United States
110%
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
9903.05.5510%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
• Confirm listing status in U.S. note 3 via customs ruling
• Include toxicology data for novel chemical imports
• Use tamper-evident bulk packaging for security