Deuterated Piperidine-d11 from Canada
Piperidine-d11 with all 11 hydrogen positions replaced by deuterium, used in NMR spectroscopy. As isotopically substituted piperidine, it qualifies as the same compound under Chapter Note 1(a).
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include isotopic purity certificate and NMR characterization data
• Deuterated compounds follow parent classification; no separate isotope provisions
• Special handling for expensive isotopologues; verify insurance and temperature control