Natural Estrone from Equine Urine from Canada
Estrone is a naturally occurring estrogen hormone extracted directly from pregnant mare urine (PMU), a classic animal-derived source. It falls under HTS 2937.23.10 as a steroidal hormone obtained from animal materials, used primarily for hormone replacement therapy. This classification applies to pure forms meeting chapter 29 notes for separate chemically defined organic compounds.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide certificates of origin proving animal/vegetable derivation; ensure FDA compliance for pharmaceutical-grade purity; avoid misclassification as synthetic by documenting extraction process