Valproic Acid from Canada
Valproic acid (2-propylpentanoic acid) is a branched saturated acyclic monocarboxylic acid used as an antiepileptic pharmaceutical intermediate. Classified in HTS 2915.90.50 as other saturated acyclic monocarboxylic acids.
Duty Rate — Canada → United States
13.8%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP/NF certificate if pharmaceutical grade to justify valuation
• Declare DMF status with FDA if destined for drug manufacturing
• Segregate from oxidizers; valproic acid mixtures excluded by Chapter 29 note (k)