Pharma-Grade N-Methyl-2-Pyrrolidone USP from Canada
Pharmaceutical-grade NMP meeting USP standards is the same chemically defined lactam as industrial NMP, classified under HTS 2933.79.20.00. The higher purity specification doesn't change its fundamental chemical classification as a nitrogen heterocyclic lactam.
Duty Rate — Canada → United States
14.2%
Rate breakdown
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
• Provide USP CoA and DMF if used in drug formulations; FDA may require additional registration
• Segregate pharma-grade shipments to avoid cross-contamination claims during customs examination
• Higher duties possible if misdeclared; always reference specific HTS 2933.79.20.00 enumeration