Chlorobenzoic Acid p-Isomer from Canada
The p-isomer of chlorobenzoic acid (4-position) is distinctly classified in HTS 2916.39.16.00, distinguishing from ortho/meta isomers in other subheadings. Essential for selective synthesis reactions.
Duty Rate — Canada → United States
16.5%
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
• Confirm isomeric purity via HPLC report; separate from o/m isomers in storage; TSCA inventory check mandatory