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Pharmaceutical Dextropropoxyphene Napsylate Powder from Canada

Fine powder of dextropropoxyphene napsylate for compounding in pain relief formulations. Classified in HTS 2922.14.00.00 following chapter rules for salts of listed INN compounds in this amino-alcohol subheading.

Duty Rate — Canada → United States

100%

Rate breakdown

9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Secure end-user statements for non-human consumption if research-grade

Package with stabilizers only if necessary for transport per note (f) to maintain classification

Monitor FDA import alerts for opioid precursors