Estrone (Theelin) from Canada
Estrone is a natural estrogen hormone extracted indirectly from animal urine sources, serving as a key component in estrogen therapies. Classified under HTS 2937.23.10.10 due to its natural animal-derived origin and primary hormonal use. It converts to estradiol in the body for estrogenic effects.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide origin certificates tracing extraction from animal/vegetable sources
• Label with exact purity levels and stabilizer content per Chapter 29 notes
• Avoid misclassification by documenting it's not a finished medicinal product