6-Mercaptopurine Monohydrate from Canada
Pharmaceutical grade 6-mercaptopurine monohydrate is the hydrated form of the thiopurine drug used in acute lymphoblastic leukemia treatment. Falls under HTS 2934.99.30.00 as a drug form of aromatic heterocyclic compound.
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
• Specify water content (typically 10-15%) in COA as it affects dosing calculations
• Validate drying procedures in manufacturing documentation for consistent hydrate form
• Use climate-controlled shipping to maintain monohydrate stability during ocean transit