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Tilidine Phosphate

This pharmaceutical-grade tilidine phosphate salt is a chemically defined oxygen-function amino-acid derivative listed under HTS 2922.44.00.00. Imported as high-purity powder for compounding into injectable or oral opioids. Its structure fits Chapter 29 subchapter restrictions precisely.

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.

2933.99.97.01Same rate: 112.5%

If for industrial synthesis as hetercycle derivative

If not primarily hormonal/amino-acid, quaternary ammonium heterocycles in 2933 could apply per Chapter structure.

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

• Include phosphate content assay in documentation to confirm salt identity

• Use UN-approved packaging for Schedule I/II precursors

• Common error: insufficient advance notice to CBP for inspections