3-(5-Amino-3-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid from United States
> 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid is a chemically defined compound with an unfused pyrazole ring and sulfonic acid group. It serves as an intermediate in the synthesis of azo dyes and pharmaceuticals. This product is classified under tariff item 2933.19.00 as an "Other" compound.
Duty Rate — United States → Canada
0%
Import Tips
• > Confirm the product is a separate chemically defined compound, not a mixture, for classification
• Provide technical documentation showing the chemical structure and purity for customs
• Verify if the product is subject to any Canadian chemical control regulations