4-Phenylpropylpyridine from Mexico
4-Phenylpropylpyridine contains an unfused pyridine ring with phenylpropyl substitution, specifically named under HTS 2933.39.20.00. Used in pharmaceutical intermediates and as a fragrance component.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.2%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Submit HPLC chromatogram verifying single pyridine isomer purity
• Ensure proper flash point documentation for flammable liquid classification
• Include end-use declaration distinguishing pharma vs fragrance applications