Alfacalcidol (1α-Hydroxyvitamin D3) from Canada
Alfacalcidol is a hydroxylated Vitamin D3 prodrug used primarily as a vitamin derivative for renal osteodystrophy treatment. It falls under HTS 2936.29.50.20 as a chemically defined Vitamin D derivative meeting chapter requirements for provitamins and vitamin intermediates. Supplied in pure form for oral solution manufacturing.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• DEA watch list monitoring not required but potency declaration essential for accurate duty assessment
• Include toxicological profile if purity <99.5% to address safety concerns in Chapter notes
• Avoid bulk packaging over 25kg drums which trigger additional hazardous material declarations