Ethinyl Estradiol from Canada
Ethinyl estradiol is a synthetic estrogen with ethinyl substitution, widely used in combination oral contraceptives. It falls under HTS 2937.23.50 as a structural analogue of estradiol used primarily as a hormone, per Chapter 29 notes on derivatives.
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
• Use amber glass packaging for light protection; declare EP/USP grade
• Monitor for Schedule III controlled substance analogs under DEA