Deuterated Piperidine-d11 from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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