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
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify orotate decarboxylase substrate activity
• Lyophilize for stability; avoid moisture exposure
• Include metabolic pathway end-use statement