Fenproporex Precursor Base (4-Cyano-2-Dimethylamino-4,4-Diphenylbutane) from Japan
4-Cyano-2-dimethylamino-4,4-diphenylbutane serves as a precursor for both fenproporex and methadone production. Tariff item 2926.30.00 explicitly names this compound as the methadone (INN) intermediate. It is a nitrile-function organic compound that falls directly under this tariff item.
Duty Rate — Japan → Canada
0%
Import Tips
• Obtain a controlled substance import permit from Health Canada, as this compound is a methadone precursor
• Clearly declare the product's dual role as a precursor
• Be prepared for additional CBSA documentation requirements due to the controlled nature