3,5-Diacetamido-2,4,6-Triiodobenzoic Acid from Canada
This iodinated aromatic benzoic acid derivative with acetamido groups is a key intermediate for radiographic contrast media in X-ray diagnostics. Classified under HTS 2924.29.0500 as an explicitly listed aromatic cyclic amide-function compound of carbonic acid. It is a separate chemically defined organic compound meeting chapter 29 scope.
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
• Include IUPAC naming and CAS number (5282-74-0) on invoices; obtain prior FDA import alerts for iodine compounds
• Avoid pitfalls by not classifying as a finished radiopaque agent