Natural Estrone Powder from Canada
Estrone is a naturally occurring estrogen hormone extracted from animal or vegetable sources such as pregnant mare urine. This powder form is used primarily as a hormone replacement therapy ingredient. It falls under HTS 2937.23.1050 as an estrogen obtained directly or indirectly from natural materials, classified as 'other' within this subheading.
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
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Require certificates of origin proving animal/vegetable derivation to avoid reclassification as synthetic under 2937.23.5050
• Ensure DEA registration for narcotic precursors and FDA import alerts compliance for hormone products
• Provide detailed chemical analysis confirming natural extraction to prevent customs disputes