Talbutal from Mexico
Talbutal, 5-allyl-5-(2-bromo-2-ethylbutyryl)barbituric acid, contains pyrimidine ring structure. Classified under 2933.52.9000 as other barbituric acid derivatives not specifically enumerated.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.60100%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
• Provide structural formula verification to confirm pyrimidine ring presence
• Monitor for halogenated derivatives classification per chapter notes