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2935.90.95.00/Mefenamic Acid/Mexico

Mefenamic Acid from Mexico

Mefenamic acid is an anthranilic acid derivative with sulfonamide-related structure used as NSAID for dysmenorrhea and arthritis. Though primarily carboxylic acid, its sulfonamide characteristics place it under HTS 2935.90.95.00 as 'Other' sulfonamides.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

• Confirm sulfonamide moiety via FTIR; carboxylic acid function secondary

• Pain management API; monitor DEA precursor chemical list

• Light-sensitive; amber packaging documentation prevents degradation claims

Mefenamic Acid from Mexico — Import Duty Rate | HTS 2935.90.95.00