Pharma-Grade sec-Butyl Chloride from Canada
Low-impurity sec-Butyl chloride meeting USP/EP residual solvent limits for pharmaceutical manufacturing. Classified HTS 2903.19.30.00 as chemically defined saturated chlorinated acyclic hydrocarbon. Used in synthesis of active pharmaceutical ingredients (APIs).
Duty Rate — Canada → United States
10%
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 residual solvent analysis per ICH Q3C guidelines
• FDA prior notice required; classify as 'drug intermediate' on entry summary
• GMP certificate may expedite CBP examination for pharma consignments