PhEur O-Acetylsalicylic Acid Crystals from Mexico
European Pharmacopoeia compliant crystalline o-acetylsalicylic acid for API synthesis in analgesic drugs. As a pure carboxylic acid with phenol function, it qualifies under HTS 2918.22.1000 per Chapter 29 notes defining separate organic compounds.
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
• Provide PhEur monograph compliance docs; declare exact assay percentage to confirm >99% purity
• Watch for anti-dumping duties on Chinese-origin aspirin acid