Fursultiamine Hydrochloride from China
Fursultiamine hydrochloride is a disulfide derivative of thiamine with prolonged action, used in B1 deficiency treatments. It meets HTS 2936.22.00.00 criteria as a derivative used primarily as a vitamin in injectable and oral pharmaceuticals. Converts to active thiamine in vivo.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% 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
• Rx-only declaration prevents OTC supplement misclassification
• Lyophilized vial packaging requires child-resistant closure validation
• Include conversion rate data (mcg thiamine equivalent/mg) on CoA