Pharma Grade Carboxymethylcellulose USP Powder from Canada
USP-compliant carboxymethylcellulose powder with minimum 90% CMC by weight, used in oral suspensions and eye drops. Primary form classification under HTS 3912.31.00.10 based on high polymer purity. Meets pharmacopeia standards for excipient use.
Duty Rate — Canada → United States
16.4%
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
• Supply USP/EP certificates and DSC purity scans; FDA prior notice for pharma imports
• Avoid pitfall of labeling as 'finished drug excipient' triggering Chapter 30