D-Arabinose [U-13C5] Uniformly Labeled from Japan
D-Arabinose [U-13C5] Uniformly Labeled is a chemically pure sugar with all five carbons replaced by carbon-13 at 98% enrichment. It is used in advanced metabolomics and flux analysis by mass spectrometry or NMR. As an isotopically substituted pure sugar, it falls under this tariff item.
Duty Rate — Japan → Canada
0%
Import Tips
• Include isotopic enrichment data and chemical purity analysis in the import documentation
• Confirm the product is not a radioactive isotope, which would fall under Chapter 28
• Explain the research application to justify the high-value classification