Pharmaceutical Valproic Acid Bulk from Canada
Bulk valproic acid for API manufacturing in anticonvulsant drugs like Depakene. As a pure, separate organic compound under chapter note 2(a), it is specifically classified in HTS 2915.90.14.00.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6095.8%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Register with FDA as bulk drug substance; provide GMP certificate from manufacturer
• Avoid delays by pre-submitting import alerts for controlled substances monitoring