Sodium Valproate Precursor Acid from Canada
Valproic acid serving as direct precursor to sodium valproate for migraine prophylaxis. Classified specifically as valproic acid in HTS 2915.90.14.00, a non-halogenated saturated acyclic monocarboxylic acid.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Cross-reference with salt form imports; validate chain of custody docs
• Common issue: temperature control during shipping to maintain integrity