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Metrizoic Acid Technical Grade from Mexico

Technical grade metrizoic acid is used in industrial synthesis of iodinated contrast media for CT scans. Classified precisely in HTS 2924.29.0500 as a listed aromatic cyclic amide-function compound, per chapter notes excluding finished medicaments.

Duty Rate — Mexico → United States

15.3%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Test for iodine content to confirm identity; avoid declaring as 'dye' which excludes from chapter 29

Use NAICS codes for pharma intermediates