Laboratory Research Xanthen-9-one from Japan
Purified xanthen-9-one supplied for research labs, featuring oxygen-only heterocyclic structure, explicitly named in HTS 2932.99.39.00. Used in photochemistry and as a synthetic building block, it qualifies as a separate organic compound under Chapter 29.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include end-use statement for research to avoid scrutiny as potential dye intermediate under Chapter 32 exclusions
• Package in allowed solvents only (note e); excess may trigger reclassification as preparations