Spectroscopy Grade Chloroform-d (Deuterated) from China
Spectroscopy grade chloroform-d (CDCl3) is deuterated trichloromethane, an isotopically substituted form of chloroform used in NMR spectroscopy. As a derivative of chloroform, it is classified under tariff item 2903.13.00, consistent with Chapter 29 provisions for isomers and derivatives.
Duty Rate — China → Canada
0%
Import Tips
• Verify the isotopic purity and provide technical specifications to CBSA to confirm classification as a chloroform derivative
• Note that deuterated compounds may require additional end-use declarations
• Ensure proper labeling for laboratory chemicals to avoid delays