Laboratory Research Xanthen-9-one
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for diagnostic or lab reagents in kits
Lab reagents containing this compound in prepared form classify under 3822, not pure Chapter 29 compounds.
If imported as cyclic alcohol derivative
Subcyclic alcohols or derivatives may fall under 2906 if heterocycle not principal characteristic.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 2932.99.39.00
Benzoin Tetrahydropyranyl Ester
Benzoin tetrahydropyranyl ester is a protected form of benzoin, a heterocyclic compound with oxygen hetero-atoms, used primarily as an intermediate in organic synthesis for pharmaceuticals and fragrances. It falls under HTS 2932.99.39.00 as a specifically named aromatic heterocyclic compound with oxygen hetero-atoms only. This chemical is chemically defined and separate, fitting Chapter 29 note (a).
Xanthen-9-one
Xanthen-9-one, also known as xanthone, is an aromatic heterocyclic compound featuring a central pyrone ring fused with benzene rings, containing oxygen hetero-atoms only. It is used in dye synthesis, pharmaceuticals, and as a fluorescent probe, classified under HTS 2932.99.39.00 as a specifically enumerated product. This pure organic compound meets Chapter 29 requirements for separate chemically defined heterocycles.
Pharmaceutical Grade Benzoin Tetrahydropyranyl Ester
High-purity benzoin tetrahydropyranyl ester intended for API synthesis in drug manufacturing, a chemically defined aromatic heterocyclic ester with oxygen hetero-atoms. Classified specifically under HTS 2932.99.39.00 per the tariff description. Excludes mixtures or preparations, aligning with Chapter 29 scope.