Pyridoxine HCl Vitamin B6 Extended-Release from China
Extended-release tablets of pyridoxine hydrochloride (aromatic-synthetic B6) at 100mg doses for neuropathy prophylaxis, retail packed. Classified HTS 3004.50.40.00 as measured synthetic vitamins for therapeutic uses.
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
• Validate extended-release mechanism with in-vitro data for customs
• Ensure B6 content ±10% of label claim per USP testing