Methysergide Maleate from Mexico
Methysergide maleate is a semisynthetic derivative of lysergic acid, used in migraine research. It is a maleate salt of methysergide, which is not a salt of lysergic acid but a derivative. This compound is a chemically defined organic compound and falls under the broader category of ergot alkaloid derivatives, not the specific item for lysergic acid salts.
Duty Rate — Mexico → Canada
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Import Tips
• Confirm the chemical structure to determine if it is a salt of lysergic acid or a derivative
• Provide a certificate of analysis for classification
• Check if the product requires any special import permits for pharmaceutical research