Anthraquinone-2-Sulfonic Acid Drug Form from United States
Anthraquinone-2-Sulfonic Acid Drug Form is a sulfonated quinone derivative used as a pharmaceutical intermediate for sulfonamide drugs and therapeutic dyes. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound, as per Chapter 29 Note 1
• The sulfonic acid group is a derivative, but the quinone function remains the primary classification
• Provide the CAS number and purity certificate to facilitate CBSA processing