USP Grade O-Acetylsalicylic Acid Powder from Mexico
Pharmaceutical-grade o-acetylsalicylic acid powder meeting USP standards for purity, used primarily as the active ingredient in aspirin formulations. This chemically defined organic compound with a carboxylic acid and phenol function falls under HTS 2918.22.1000 as pure aspirin acid, separate from finished tablets or mixtures.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify USP certificate of analysis for purity >99.5%; ensure COA declares it as separate chemically defined compound per Chapter 29 note (a)
• Avoid classifying as finished drug under Chapter 30