Valproic Acid EP Grade from Mexico
European Pharmacopoeia-compliant valproic acid, a key precursor for sodium valproate in bipolar disorder treatments. As a pure saturated acyclic monocarboxylic acid, it fits HTS 2915.90.14.00 precisely due to its chemical definition without halogenation or other derivatives. Supplied in bulk drums for pharmaceutical synthesis.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6095.8%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 EP Certificate of Conformity and stability data; label with GHS hazardous pictograms for corrosivity
• Common pitfall: incorrect HS declaration leading to quarantine—verify exact CAS 99-66-1