</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Thiamine Hydrochloride USP from Japan

Thiamine hydrochloride is the most common salt form of vitamin B1, a water-soluble derivative used primarily as a vitamin supplement. It falls under HTS 2936.22.00.00 as a chemically defined derivative of thiamine employed in pharmaceutical and nutritional applications. This synthetic form ensures stability for tablets, injections, and fortified foods.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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

Verify USP or EP pharmacopeia grade certification to meet FDA import standards for human consumption

Include Certificate of Analysis (CoA) showing purity >98% and absence of heavy metals to avoid FDA detention

Label as 'not for retail sale' if bulk powder to prevent misclassification as finished dosage forms