Cholecalciferol (Vitamin D3) from Canada
While primarily under 2936.32, synthetic cholecalciferol intermediates or specific derivatives used as unmixed vitamin sources fall under 'other' vitamins in HTS 2936.29.5050 when not meeting exact D3 criteria.
Duty Rate — Canada → 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 HPLC chromatograms proving single peak (unmixed) status
• Distinguish from 2936.32 by providing synthesis pathway documentation