Flavine Adenine Dinucleotide (FAD) Sodium Salt from Mexico
FAD sodium salt is a redox cofactor in enzymatic reactions, containing both flavin and adenine moieties. Falls under HTS 2934.99.39.00 as specified aromatic heterocyclic compound in U.S. note 3.
Duty Rate — Mexico → 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
• Include absorbance ratio (A450/A260) verification for purity assessment
• Ship light-protected in amber containers to prevent photodegradation
• Provide CoA with lot-specific activity measurements