Rutin (Quercetin-3-rutinoside) from Canada
Rutin is a flavonoid glycoside containing quercetin polyphenol moiety, used as antioxidant and capillary protectant. Classified HTS 2907.29.90.00 as polyphenol derivative despite glycoside; phenolic rings determine classification. Extracted from buckwheat and citrus.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6094.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include flavonoid content assay results
• Specify standardization percentage (e.g
• 95% UV)
• Provide heavy metal and pesticide residue certificates