Ethane-Deuterated Isotope Standard from Canada
Fully deuterated ethane (C2D6) for NMR spectroscopy and mass spectrometry standards. Chemically defined isotopically substituted compound under HTS 2901.10.10.00. Specialty gas for research institutions.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Isotope content certificate mandatory; NRC export license may be needed; university end-user verification