Isoquinoline for Dye Coupling from Mexico
High purity isoquinoline used as dye coupler intermediate, classified as pure compound in HTS 2933.49.15.00 despite end use. Not excluded under chapter note (g).
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.2%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
• End use statements should not override chemical classification
• Confirm not put up for retail sale to avoid Chapter 32