Phtalazinone from United States
Phthalazinone is a heterocyclic aromatic compound with an imide-like structure used in pharmaceutical research and dye chemistry. Its fused ring imide structure places it under tariff item 2925.19.00 as an imide derivative other than saccharin.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not classifiable as a heterocyclic compound with nitrogen atoms under Chapter 29 Note 7
• Provide a certificate of analysis to CBSA if requested