Barbituric Acid from United States
Barbituric acid (malonylurea) is a heterocyclic compound with a pyrimidine ring, serving as the core scaffold for barbiturate pharmaceuticals. It is a separate chemically defined organic compound, classifiable under tariff item 2933.52.00.
Duty Rate — United States → Canada
0%
Import Tips
• Classify as malonylurea under 2933.52.00; ensure it is not a derivative
• Provide a safety data sheet and proof of purity
• Verify if any import restrictions apply under Canadian drug precursor regulations