2-Methyl-1,4-Naphthoquinone (Vitamin K3) from Mexico
2-Methyl-1,4-naphthoquinone, also known as menadione or Vitamin K3, is a synthetic quinone used in pharmaceutical formulations for coagulation disorders. It meets HTS 2914.69.21.00 criteria as a drug-specific quinone compound.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.5%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
• CoA must confirm menadione content without oxidation byproducts common in quinones
• FDA prior notice required if for human pharma; veterinary use needs separate filing