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2915.90.14.00/Sodium Valproate Precursor Acid/Japan

Sodium Valproate Precursor Acid from Japan

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 — 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%
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Import Tips

• Cross-reference with salt form imports; validate chain of custody docs

• Common issue: temperature control during shipping to maintain integrity