Cyclohexanecarboxylic Acid from Mexico
Cyclohexanecarboxylic acid contains a saturated cyclohexane ring making it cycloaliphatic rather than acyclic, but sometimes misclassified. Actually belongs in 2916.20, shown here to illustrate common error vs true 2915.90.18.90 acyclic products.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6095.8%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
• Use NMR/GC to confirm acyclic vs cyclic structure for proper heading
• Cycloaliphatic acids require 2916 classification regardless of saturation