Tropic Acid from Mexico
Tropic acid serves as key intermediate for anticholinergic pharmaceuticals, featuring the alcohol-carboxylic acid structure of 2918.19.90.00.
Duty Rate — Mexico → United States
4%
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 DEA precursor documentation if applicable for controlled substance synthesis
• Include synthesis pathway documentation to justify pharmaceutical intermediate status
• Verify against hormone classification exclusions