Valproic Acid USP Grade from China
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 — China → United States
137.5%
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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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