Fenproporex Phosphate from Mexico
This phosphate salt of fenproporex is a chemically defined derivative captured by HTS 2926.30.10.00, suitable for pharmaceutical intermediate synthesis. Its nitrile group defines the classification within Chapter 29's subchapter for nitrile-functions. Supplied in amber glass vials to prevent degradation.
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
• Ensure pH-buffered packaging to maintain salt integrity during shipment
• Comply with TSCA import notification if >10kg/year
• Avoid co-mingling with methadone intermediates to prevent cross-classification