Modified Aromatic Antiemetic Ondansetron Hydrochloride from Mexico
Ondansetron hydrochloride is a serotonin 5-HT3 receptor antagonist with a carbazole aromatic structure, used as an active pharmaceutical ingredient for nausea prevention. It is a separate chemically defined organic compound, and its hydrochloride salt is classified with the parent compound under tariff item 2942.00.00 as an 'other organic compound' because it is not more specifically covered by other headings in Chapter 29.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is a pure API and not a formulated drug product, which would fall under Chapter 30
• Provide the certificate of analysis and confirm the salt form for classification
• Verify that the compound is not more specifically classified under heterocyclic headings