Hyperoside (Quercetin-3-O-Galactoside) from Canada
Hyperoside, a quercetin galactoside from Hypericum perforatum, under HTS 2938.90.00.00. Standardized marker for St. John's Wort quality control.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%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
9903.05.900%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
• Specify as USP/NF reference standard for herbal monograph
• Confirm galactose vs glucose sugar moiety
• Test for hyperforin interference in standardization