Valproic Acid from Japan
Valproic acid (2-propylpentanoic acid) is a branched-chain saturated acyclic monocarboxylic acid used as an antiepileptic drug and mood stabilizer. It falls under HTS 2915.90.18.90 as a saturated acyclic monocarboxylic acid prior to pharmaceutical formulation per Chapter 29 classification rules.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Require FDA Drug Master File and DMF number for API import
• Provide chiral purity certificate (racemic vs enantiopure)
• Classify bulk API separate from finished dosage forms (Chapter 30)