Mefenamic Acid from Germany
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 — Germany → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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