Estriol (16-alpha-Hydroxyestrone) from China
Estriol is a natural estrogen produced from animal sources, particularly used in pregnancy-related hormone therapies. It qualifies for HTS 2937.23.10.10 as an animal-derived estrogen used primarily as a hormone. This weak estrogen helps maintain pregnancy and treats vaginal atrophy.
Duty Rate — China → 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
• Include analytical certificates confirming natural origin and absence of synthetic markers
• Check for anti-dumping duties on specific hormone products from certain countries
• Ensure proper cold chain documentation for temperature-sensitive hormone shipments