Dextropropoxyphene Napsylate from Germany
Dextropropoxyphene napsylate is a water-soluble salt of dextropropoxyphene, formerly used in combination pain medications like Darvon-N. Classified under HTS 2922.14.00.00 due to chapter notes specifying salts of this INN compound as oxygen-function amino-alcohols.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Verify salt identity via HPLC testing to distinguish from hydrochloride and ensure correct HTS classification
• File prior notice with FDA for chemical imports and monitor DEA scheduling (now Schedule II equivalent)
• Avoid bulk packaging over stabilizer limits per chapter note (f) to prevent reclassification as mixtures