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Piroxicam Bulk Drug Substance

Piroxicam, an oxicam-class NSAID with benzothiazine heterocyclic nitrogen structure, is classified under HTS 2933.99.55.90 as a CNS-affecting analgesic, antipyretic, and nonhormonal anti-inflammatory agent.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+93.5%100%
🇲🇽Mexico6.5%+93.5%100%
🇨🇦Canada6.5%+93.5%100%
🇩🇪Germany6.5%+8.5%15%
🇯🇵Japan6.5%+8.5%15%

Alternative Classifications

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

3003.39Lower: 12.5% vs 100%

If for veterinary analgesic use in dosage form

Veterinary medicaments in Chapter 30 even if chemically identical to human drugs.

2930.90Lower: 16.2% vs 100%

If containing organo-sulfur as primary function

Organo-sulfur compounds classified earlier unless heterocyclic dominates.

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

• Ensure photo-stability data due to light sensitivity of oxicam compounds

• Declare exact CAS number (36322-90-4) on commercial invoice

• Avoid bulk packaging over 25kg drums without proper UN certification

Related Products under HTS 2933.99.55.90

Ibuprofen USP Powder

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) classified under HTS 2933.99.55.90 as an aromatic heterocyclic compound primarily affecting the central nervous system as an analgesic, antipyretic, and anti-inflammatory agent. It contains a nitrogen hetero-atom in its propionic acid derivative structure.

Naproxen Sodium API

Naproxen sodium is an NSAID analgesic and anti-inflammatory agent featuring an aromatic heterocyclic naphthalene structure with nitrogen functionality, classified under HTS 2933.99.55.90. Used primarily for pain relief and fever reduction affecting the central nervous system.

Diclofenac Sodium Bulk Powder

Diclofenac sodium, an NSAID with indole acetic acid structure containing nitrogen hetero-atoms, is classified under HTS 2933.99.55.90 as a CNS-affecting analgesic and anti-inflammatory drug. The aromatic heterocyclic ring determines its Chapter 29 classification.

Ketoprofen Pharmaceutical Grade

Ketoprofen is a propionic acid derivative NSAID with aromatic heterocyclic benzophenone structure containing nitrogen, classified under HTS 2933.99.55.90 for its analgesic, antipyretic, and anti-inflammatory effects on the central nervous system.

Indomethacin Pharmaceutical Powder

Indomethacin, an indole acetic acid NSAID with nitrogen-containing heterocyclic structure, is classified under HTS 2933.99.55.90 as an analgesic and potent anti-inflammatory drug primarily affecting the CNS.

Celecoxib Active Pharmaceutical Ingredient

Celecoxib, a COX-2 selective NSAID with pyrazole heterocyclic ring containing nitrogen hetero-atoms, falls under HTS 2933.99.55.90 as an aromatic drug primarily affecting the CNS as an analgesic and anti-inflammatory agent.