Valproic Acid USP Grade from Japan
Pharmaceutical-grade valproic acid meeting United States Pharmacopeia standards, used primarily as an active ingredient in antiepileptic medications. It is a saturated acyclic monocarboxylic acid classified under HTS 2915.90.14.00 due to its specific chemical structure as 2-propylpentanoic acid. This pure form contains no impurities beyond pharmacopeial limits and is supplied as a colorless liquid.
Duty Rate — Japan → United States
23.3%
Rate breakdown
9903.04.6210.8%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain FDA Drug Master File (DMF) and Certificate of Analysis (CoA) to verify USP compliance; ensure proper hazardous material declaration for transport as a flammable liquid
• Avoid misclassification by confirming purity exceeds 99% without added stabilizers