Mercaptopurine from Canada
Mercaptopurine is a purine antimetabolite with thiopurine heterocyclic structure used in leukemia chemotherapy. Classified under HTS 2934.99.30.00 as an aromatic heterocyclic drug due to its pharmaceutical anticancer applications.
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
• Provide TPMT genotyping information relevance for patient safety in import documentation
• Include photostability data and amber packaging requirements for light-sensitive imports
• Certify anhydrous form specification as hydrate forms have different solubility profiles