2845.90.01.00/Carbon-14 Labeled Urea/Japan

Carbon-14 Labeled Urea from Japan

Urea with carbon-14 isotope substitution, used in biochemical tracer studies and radiometric dating. Classified in HTS 2845.90.0100 as an organic compound of a non-2844 isotope.

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%

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Import Tips

• Include half-life and activity concentration in docs; ensure CDR registration for research chemicals; use lead-shielded packaging per DOT rules