</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Valproic Acid from Canada

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 — Canada → United States

14.2%

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

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