Deuterated Chlormethine (d6)

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2845.90.01.00Lower: 25% vs 31.5%

If >80% isotopic purity as heavy water equivalent

Isotopes/preparations (2845) exclude organic compounds; Chapter 28 note 2 defers complex organics to Chapter 29.

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Import Tips & Compliance

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