Rutin Methyl Ester from Canada
This synthetic methyl ester of rutoside improves lipophilicity for novel drug delivery systems. HTS 2938.10.00.00 applies per ester classification in Chapter 29 notes, as a reproduced glycoside derivative. Research-grade powder for pharmaceutical development.
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
• Include NMR spectra confirming ester linkage; declare lab/research use to avoid OTC drug scrutiny