Naproxen Sodium
Naproxen sodium is the sodium salt of an aromatic carboxylic acid (2-methoxy-4-(2-methylpropyl)propanoic acid) used as NSAID. Classified in HTS 2918.99.3000 per chapter note C(1) for inorganic salts of organic acid-function compounds following the acid classification. Aromatic structure with oxygen function qualifies.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If oxygen function (methoxy) predominates in classification
Chapter notes prioritize latest numerical heading; amino acid salts sometimes conflict.
If when imported in final dosage form
Finished naproxen tablets classified by therapeutic/prophylactic use in Chapter 30.
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Import Tips & Compliance
• Include stability studies for sodium salt form and pH specifications
• Provide polymorphic form certification (usually Form I)
Related Products under HTS 2918.99.30.00
Aspirin (Acetylsalicylic Acid)
Acetylsalicylic acid is an aromatic carboxylic acid derivative with an additional oxygen function in its ester group, commonly used as a pain reliever and anti-inflammatory drug. It falls under HTS 2918.99.3000 as an aromatic drug with carboxylic acid and oxygen functionality. This classification applies to the pure chemical form used pharmaceutically.
Salicylic Acid USP
Salicylic acid is an aromatic carboxylic acid with a phenolic oxygen function, used in acne treatments and as a pharmaceutical intermediate. Classified under HTS 2918.99.3000 as an aromatic drug featuring both carboxylic acid and additional oxygen functionality. Meets chapter requirements for chemically defined organic compounds used medicinally.
Ibuprofen API (2-(4-(2-Methylpropyl)phenyl)propanoic acid)
Ibuprofen is an aromatic propionic acid derivative with carboxylic acid function, used as NSAID pain reliever. Falls under HTS 2918.99.3000 as an aromatic carboxylic acid drug with oxygen function. Pure active pharmaceutical ingredient form for tablet manufacturing.
Ketorolac Tromethamine
Ketorolac tromethamine is an amino alcohol salt of aromatic pyrroleacetic acid, NSAID for short-term pain management. HTS 2918.99.3000 applies as salt of carboxylic acid drug per chapter note C(1). Features both carboxylic acid and additional oxygen functions.
Diflunisal
Diflunisal is a difluorophenyl derivative of salicylic acid, NSAID with carboxylic acid and phenolic oxygen functions. Pure aromatic drug classified under HTS 2918.99.3000. Used for arthritis pain relief.
Flufenamic Acid
Flufenamic acid is an anthranilic acid derivative with trifluoromethyl group, used as anthranilic NSAID. Aromatic carboxylic acid with nitrogen and oxygen functions under HTS 2918.99.3000 drug provision. Chemically defined pharmaceutical compound.