Pharmaceutical Grade Metanilic Acid from Canada
High-purity metanilic acid (>99.5%) for synthesis of sulfonamide antibiotics and pharmaceutical intermediates, classified as a chemically defined aromatic monoamine derivative under HTS 2921.42.21.00. Meets USP/EP standards for drug manufacturing.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include DMF or CEP references; coordinate with FDA prior notice for pharmaceutical intermediates
• Validate GMP-compliant packaging; sterile liners required to prevent contamination during customs inspection
• Document impurity profiles per ICH Q3A guidelines to confirm chemical definition status