Deuterated Chlormethine (d6) from Germany
Deuterium-labeled bis(2-chloroethyl)methylamine (d6 isotope) is a chemically defined acyclic monoamine analog under HTS 2921.19.61.30. Used in NMR spectroscopy and metabolic studies. Isotopic substitution doesn't alter classification per Chapter 29 scope.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include isotopic enrichment certificate (≥98% D); NRC licensing may apply for heavy isotopes
• Segregate from unlabeled material in customs docs
• Validate against 2845 for isotopic elements