Glyceric Acid from Canada
Glyceric acid features a carboxylic group with adjacent hydroxyl functionality, classified under 2918.19.90.00. Applied in sugar chemistry research and as a chiral building block.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Specify D- vs L-isomer configuration to avoid mixture classification issues
• Include stabilization declarations if anticaking agents present per note 1(f)
• Verify against crude glycerol exclusions in chapter notes