Hyperoside (Quercetin-3-O-Galactoside) from Germany
Hyperoside, a quercetin galactoside from Hypericum perforatum, under HTS 2938.90.00.00. Standardized marker for St. John's Wort quality control.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Specify as USP/NF reference standard for herbal monograph
• Confirm galactose vs glucose sugar moiety
• Test for hyperforin interference in standardization