Ethionamide from Mexico
Ethionamide, a thioamide derivative of pyridine-2-carboxylic acid, treats multidrug-resistant tuberculosis. Falls under HTS 2933.39.41.00 for its unfused pyridine ring and drug classification in Chapter 29. Bulk API form used in pharmaceutical manufacturing.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Sulfur content verification via elemental analysis to confirm thioamide pyridine structure
• Document MDR-TB indication to support drug status versus chemical intermediate
• Odoriferous; include safety data sheets addressing Chapter 29 note (g)