Phtalazinone from Japan
Phthalazinone is a heterocyclic aromatic imide used in pharmaceutical research and dye chemistry. Falls under HTS 2925.19.42.00 as 'other' aromatic imide. Fused ring imide structure per heading 2925.
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
• Heterocycle ring system NMR confirmation; batch purity analysis; research chemical import permits if applicable