6-Mercaptopurine Monohydrate from China
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 — China → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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