Ethane-Deuterated Isotope Standard from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Isotope content certificate mandatory; NRC export license may be needed; university end-user verification