Vitamin D3 (Cholecalciferol) 500,000 IU/g from China
Highly concentrated synthetic cholecalciferol (vitamin D3) powder used primarily as a vitamin in supplements and animal feed fortification. HTS 2936.90.0150 covers this provitamin derivative reproduced by synthesis as a chemically defined organic compound.
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
• Submit documentation proving IU/g potency via bioassay or HPLC for customs and FDA clearance
• Distinguish from vitamin D2 (ergocalciferol) which may have different subheadings
• Ensure no carrier oils present that would shift classification to mixtures