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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in consumer-ready blister packs
Retail-packed medicaments classified in Chapter 30 heading 3004.
If primarily antibiotic rather than analgesic
Different subheading within 2933 for antibiotics vs CNS drugs.
If halogenated derivative without full drug qualification
Halogenated hydrocarbons classified earlier if not qualifying as drug.
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
• Register with FDA as bulk drug substance importer before shipment arrival
• Provide stability data and impurity profile per USP monograph
• Avoid common pitfall of declaring as 'finished product' which triggers higher scrutiny
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.
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.
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.
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.