USP Lithium Carbonate for Thyroid Function Tests from Japan
Pure USP-grade lithium carbonate used in laboratory reagents for thyroid hormone assays. This is a chemically defined lithium carbonate, classifiable under Chapter 28. It is not excluded by Chapter 28 notes and is not a diagnostic reagent of Chapter 38.
Duty Rate — Japan → Canada
0%
Import Tips
• Document the USP grade and laboratory use on customs forms
• Ensure the product is not formulated into diagnostic kits, which would fall under Chapter 38
• Provide safety data sheets for laboratory chemicals