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Celecoxib API

Celecoxib, a COX-2 selective NSAID, acts as an analgesic and anti-inflammatory agent under HTS 2933.99.55. Its pyrazole ring with nitrogen hetero-atoms qualifies as an aromatic heterocyclic compound primarily for CNS effects.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+12.5%19%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

2933.99.97.01Higher: 112.5% vs 19%

If modified aromatic structure not confirmed

Broader 'other' category applies if not strictly aromatic per statistical suffixes.

3004.90Lower: 12.5% vs 19%

If imported in powder blends for capsules

State of completion as semi-processed for dosage forms shifts to medicaments.

2903.99.80.01Lower: 18% vs 19%

If for industrial non-pharma applications

End use changes classification from drugs to general organic 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

• Certify nonhormonal status and CNS primary action with pharmacological dossiers

• Use tamper-evident packaging compliant with USP <661> for APIs; declare exact purity levels