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Pharmaceutical Dextropropoxyphene Napsylate Powder

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+112.5%112.5%
🇲🇽MexicoFree+110.0%110%
🇨🇦CanadaFree+110.0%110%
🇩🇪GermanyFree+25.0%25%
🇯🇵JapanFree+27.5%27.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2918Lower: 16.5% vs 112.5%

If esterified with carboxylic acids dominating classification

Note 3(A) classifies esters with the later subchapter compound.

3822Lower: 12.5% vs 112.5%

If for diagnostic or lab reagent mixtures

Prepared reagents for analysis fall outside pure Chapter 29 compounds.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• 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