Isoquinoline Base from Japan
Isoquinoline is a fused benzene-pyridine isomer with nitrogen in the non-fused position of the heterocyclic ring. Falls under HTS 2933.99.82 as other aromatic nitrogen heterocycles for pharma and perfumery.
Duty Rate — Japan → United States
6.5%
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
• Odor declaration for perfumery end-use; distillation purity certificates; REACH Annex XVII compliance