4-Chloro-3-nitrobenzoic Acid from Canada
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 — Canada → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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