(R)-α-Amino-1,4-Cyclohexadiene-1-Acetic Acid Sodium Salt from Mexico
Sodium salt form of (R)-α-Amino-1,4-cyclohexadiene-1-acetic acid, specifically provided for under HTS 2922.49.60.00 following chapter note 3(C)(1) for inorganic salts of organic acids. Used in biotech applications requiring water-soluble amino acid derivatives. Retains classification as the named amino-acid salt.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Metal content analysis required to distinguish from organic base salts under note 3(C)(2)
• Provide counterion exchange documentation if converted from other salt forms
• Avoid bulk packaging that suggests chapter 28 inorganic classification