Valproic Acid from Mexico
Valproic acid is a saturated acyclic monocarboxylic acid with an eight-carbon chain and a branched structure, used primarily as an anticonvulsant medication for epilepsy and bipolar disorder. It falls under HTS 2915.90.18 as an 'other' saturated acyclic monocarboxylic acid that is not formic, acetic, propionic, butyric, valeric, caproic, or caprylic acid. This classification aligns with Chapter 29 notes for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
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 Certificates of Analysis (CoA) confirming purity >98% for pharmaceutical grade; ensure proper hazard labeling as it's a hazardous substance under DOT regulations; verify REACH compliance if sourced from EU to avoid FDA import alerts