Valproic Acid 99% Pure from Mexico
99% pure valproic acid with minimal impurities, suitable for high-end pharmaceutical intermediates. Explicitly covered as valproic acid under HTS 2915.90.14.00 within saturated acyclic monocarboxylic acids.
Duty Rate — Mexico → United States
4.2%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit HPLC purity chromatograms; comply with REACH if EU origin
• Pitfall: impurity levels affecting duty-free claims under trade agreements