Orotidine Monophosphate (OMP) from Canada
OMP is crucial in pyrimidine biosynthesis for UMP production. HTS 2934.99.39.00 applies as aromatic heterocyclic nucleotide in additional U.S. note 3.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%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
• Verify orotate decarboxylase substrate activity
• Lyophilize for stability; avoid moisture exposure
• Include metabolic pathway end-use statement