Isopropphenazone from Mexico
Isopropphenazone, an isopropyl-substituted phenazone derivative, serves as a pharmaceutical intermediate. Falls under HTS 2933.11.00.00 due to its explicit inclusion as a phenazone derivative with pyrazole ring. Used in synthesis of modern NSAIDs.
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
• Provide structure elucidation data (IR, UV spectra); declare as 'not for direct human consumption'; comply with TSCA import notification for US synthesis