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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.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	6.5%	—	6.5%
🇲🇽Mexico	6.5%	—	6.5%
🇨🇦Canada	6.5%	—	6.5%
🇩🇪Germany	6.5%	—	6.5%
🇯🇵Japan	6.5%	—	6.5%

Alternative Classifications

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

3003.90.01Lower: Free vs 6.5%

If imported as finished tablets or capsules

Medicated finished pharmaceutical products are classified in Chapter 30 based on therapeutic use, not chemical structure.

2918.22.50.00Same rate: 6.5%

If not specifically used as a drug but as chemical intermediate

O-acetylsalicylic acid without primary drug designation goes to the specific ester heading.

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Import Tips & Compliance

• Obtain FDA approval and Drug Master File for pharmaceutical-grade imports

• Provide Certificates of Analysis confirming purity >99% and absence of impurities

• Avoid misclassification as finished dosage forms which fall under Chapter 30

Related Products under HTS 2918.99.30.00

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.