Isoquinoline 95% with Stabilizer from Japan

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 — Japan → 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