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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide substitution pattern confirmation via HPLC; declare as DEA List I chemical if applicable; ensure no narcotic precursor misclassification