Hydroxyethyl Rutin Ester from Canada
This ester derivative of rutoside (rutin) enhances vascular permeability treatment efficacy, produced via synthesis from natural glycosides. HTS 2938.10.00.00 covers it as a rutoside ester per heading scope and Chapter 29 ester classification rules. Supplied as a standardized powder for nutraceutical formulations.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6098.5%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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit synthesis pathway docs to confirm ester status under Chapter 29; avoid emetic/color additions exceeding note (g)
• Partner with labs for glycoside content assays pre-shipment