Dihydroergotamine Mesylate
Dihydroergotamine mesylate is a hydrogenated derivative of ergotamine, a natural alkaloid derived from rye ergot (Claviceps purpurea). It is a separate chemically defined organic compound used in pharmaceutical preparations for acute migraine treatment. As a derivative of rye ergot alkaloids, it falls under tariff item 2939.69.00 as 'Other' alkaloids of rye ergot and their derivatives.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported in measured doses or packaged for retail sale for therapeutic use
Medicaments put up for retail sale are classified in heading 30.04, not as bulk alkaloids.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is classified as a separate chemically defined compound and not put up as a medicament (which would fall under heading 30.04)
• Have a Certificate of Analysis and safety data sheet ready for CBSA review
• Verify if a Drug Establishment Licence is required for importation under the Food and Drugs Act
Related Products under Tariff item 2939.69.00
Ergoclavine
Ergoclavine is a natural clavine-type alkaloid isolated from rye ergot fungi, studied for its neuroactive properties. It is a separate chemically defined organic compound, meeting the scope of chapter 29. As an alkaloid of rye ergot not elsewhere specified, it is classified under tariff item 2939.69.00 as 'Other'.
Ergocornine Base
Ergocornine base is a natural rye ergot alkaloid isolated for pharmaceutical synthesis and neuropharmacology studies. It is a separate chemically defined organic compound, and as a base form (not a salt or ester), it is classified under tariff item 2939.69.00 as 'Other' rye ergot alkaloids.
Ergocristine Phosphate
Ergocristine phosphate is a natural alkaloid extracted from rye ergot sclerotia, used in research and as a dopamine receptor agonist precursor. As a salt of a rye ergot alkaloid, it is classified under tariff item 2939.69.00 as 'Other', consistent with chapter note 5(C)(1) for inorganic salts of organic compounds.
Ergocristinine
Ergocristinine is an isolysergic acid derivative from rye ergot, used in alkaloid research. It is a separate chemically defined organic compound, and as a derivative of rye ergot alkaloids, it falls under tariff item 2939.69.00 as 'Other'. It is distinguished from lysergic acid amide (heading 2939.41) by its specific structure.
Ergometrine Maleate
Ergometrine maleate (ergonovine maleate) is an ergot alkaloid derivative used to control postpartum hemorrhage. As a salt of a rye ergot alkaloid, it is classified under tariff item 2939.69.00 as 'Other', consistent with chapter note 5(C)(1) for salts of organic compounds.
Ergosine Hydrobromide
Ergosine hydrobromide is a lesser-known rye ergot alkaloid salt used in biochemical studies. As a hydrobromide salt of a rye ergot alkaloid, it is classified under tariff item 2939.69.00 as 'Other', per chapter note 5(C)(1) for inorganic salts of organic compounds.