Pyrene Concentrate for Research from Mexico
Pyrene, a polycyclic aromatic hydrocarbon isolated from coal tar, supplied as concentrate for organic electronics and research. Wholly coal tar natural substance per HTS 3824.99.21.00.
Duty Rate — Mexico → United States
10%
Rate breakdown
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
• Lab-grade purity certificates essential
• Carcinogen handling protocols required