Mercaptopurine from Mexico
Mercaptopurine (6-MP) is a purine antimetabolite chemotherapy drug with thiopurine heterocyclic structure, used in leukemia treatment. Falls under HTS 2934.99.4700 as organo-sulfur heterocyclic drug, excluded from heading 2930 by classification notes. Light-sensitive pharmaceutical requiring special handling.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• Light-protected packaging mandatory; oncology GMP certification; genetic testing data may be required for pharmacogenomics compliance