3,5-Diacetamido-2,4,6-Triiodobenzoic Acid Crystals from Canada
Crystalline form of this triiodinated benzoic acid derivative is imported for high-precision contrast agent production. HTS 2924.29.0500 explicitly covers it as an aromatic amide of carbonic acid, adhering to chapter rules for pure compounds.
Duty Rate — Canada → United States
15.3%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify crystal form in documentation to match specs; common pitfall is contamination claims shifting to mixtures
• Insure against light sensitivity during transit