Pharmaceutical Grade Calcium Carbonate USP from Canada
USP-grade calcium carbonate meeting pharmacopeia standards for purity and microbial limits, classified under HTS 2836.50.00.00 as chemically defined compound. Primary ingredient in antacids like Tums and calcium supplements.
Duty Rate — Canada → United States
10%
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/EP certificates and microbial/DMSO test results for FDA clearance
• Use sterile packaging and validate against heavy metal limits (<10 ppm Pb)
• File prior notice via FDA PNSI system 72 hours before arrival