Isoquinoline 95% with Stabilizer from Canada
Isoquinoline at 95% purity with added stabilizer for transport, allowed under Chapter 29 note (f), remains HTS 2933.49.15.00. Used in agrochemical formulation.
Duty Rate — Canada → United States
5.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• List stabilizer composition to confirm it doesn't change product use
• Validate stabilizer is solely for preservation per chapter notes