Flufenamic Acid from China
Flufenamic acid is an anthranilic acid derivative with trifluoromethyl group, used as anthranilic NSAID. Aromatic carboxylic acid with nitrogen and oxygen functions under HTS 2918.99.3000 drug provision. Chemically defined pharmaceutical compound.
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
• Provide 19F-NMR for trifluoromethyl group verification
• Document batch-wise polymorphic screening
• Include heavy metals analysis (<10 ppm)