Diethazine Hydrochloride from Mexico
Diethazine hydrochloride is an older phenothiazine derivative with anticholinergic properties, used to treat extrapyramidal symptoms. It contains the phenothiazine ring-system without further fusion, qualifying for classification under tariff item 2934.30.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product is a separate chemically defined compound and not a mixture
• Have the certificate of analysis and safety data sheet available for customs review
• Check if a controlled substance permit is needed if the product has regulatory restrictions