Bulk Dextropropoxyphene Base (as Hydrochloride Salt) from Mexico
Pharmaceutical-grade dextropropoxyphene hydrochloride supplied in bulk powder for API manufacturing. It qualifies for HTS 2922.14.00.00 as a separate chemically defined organic compound and its salt, per chapter note (a).
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
• Include DMF (Drug Master File) references and GMP certificates to facilitate FDA review
• Declare exact salt form and CAS number (1639-60-7 for hydrochloride) to match INN definition
• Watch for anti-dumping duties on synthetic narcotics from certain origins