Laboratory Research Xanthen-9-one from United States
Laboratory research xanthen-9-one is a purified aromatic heterocyclic compound with a central pyrone ring fused to benzene rings, containing only oxygen hetero-atoms. It is supplied for research in photochemistry and as a synthetic building block, and is classified under tariff item 2932.99.00 as an 'other' oxygen heterocycle.
Duty Rate — United States → Canada
0%
Import Tips
• For laboratory research quantities, consider whether the product qualifies for end-use or research exemptions under the Customs Tariff
• Keep records of the intended research use to present to the CBSA if requested
• Ensure the product is not put up in measured doses or for retail sale, as that would shift classification per Section VI Note 2