Niridazole Crystals from Japan
Niridazole Crystals is a nitrothiazole-imidazole hybrid used as an antischistosomal agent. Its unfused imidazole ring component places it under tariff item 2933.29.00, though the thiazole moiety may warrant review of the overall structure.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm whether the thiazole ring introduces a sulphur hetero-atom that changes classification to heading 2934
• Provide the full structural formula to CBSA to support the classification