4-Chloro-3-nitrobenzoic Acid from Mexico
4-Chloro-3-nitrobenzoic acid contains both halogen (chloro) and nitro groups on the benzoic acid aromatic ring, qualifying as a halogenated/nitrated derivative of heading 2916 product. Classified HTS 2913.00.40.00 for other such aromatic compounds. Used in pharmaceutical synthesis.
Duty Rate — Mexico → United States
15.5%
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
• NMR spectrum verification of substitution pattern required
• Chlorine content analysis prevents reclassification as simple nitro acid
• Pharmaceutical grade requires DMF filing for FDA import