4-(4-Methylphenyl)butyric Acid from Canada
4-(p-Tolyl)butyric acid featuring para-methyl substituted phenyl ring, qualifying as aromatic butanoic acid under HTS 2915.60.10.00. Used in synthesis of non-steroidal anti-inflammatory drug intermediates.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide substitution pattern confirmation via HPLC; declare as DEA List I chemical if applicable; ensure no narcotic precursor misclassification