Norborane (Bicyclo[2.2.1]heptane) from Mexico
Norborane is a bicyclic cycloalkane classified under HTS 2902.19.00 as other cyclanes. Used in specialty polymer production and pharmaceutical intermediates.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide molecular structure diagram confirming bicyclic[2.2.1] system
• High-purity grades (>99%) must have CoA matching Chapter 29 chemically defined criteria
• Avoid Chapter 29 note exclusion (b) by excluding ethyl alcohol mixtures