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

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

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

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

Hyperoside (Quercetin-3-O-Galactoside) from Japan — Import Duty Rate | HTS 2938.90.00.00