Veratric Acid from Canada
Veratric acid (3,4-dimethoxybenzoic acid) acts as a synthetic intermediate with protected phenolic functionality. Still classified under HTS 2918.29.7500 as phenolic carboxylic acid derivative per tariff structure. Methoxy groups don't negate phenol function origin.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6093.5%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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• CAS 93-07-2 declaration mandatory; provide synthetic route summary; stable at room temperature unlike parent catechol acids