Mefenamic Acid from China
Mefenamic acid is a 2,3-dimethylphenyl anthranilic acid NSAID for dysmenorrhea. Features aromatic carboxylic acid with additional oxygen function, classified as drug in HTS 2918.99.3000. Pure API for capsule production.
Duty Rate — China → 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 dimethyl substitution pattern via NMR
• Monitor for N-oxide impurities
• Ensure ICH Q3D elemental impurities compliance