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2938.90.00.00/Hyperoside (Quercetin-3-O-Galactoside)/China

Hyperoside (Quercetin-3-O-Galactoside) from China

Hyperoside, a quercetin galactoside from Hypericum perforatum, under HTS 2938.90.00.00. Standardized marker for St. John's Wort quality control.

Duty Rate — China → United States

16.2%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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Import Tips

• Specify as USP/NF reference standard for herbal monograph

• Confirm galactose vs glucose sugar moiety

• Test for hyperforin interference in standardization