</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2844.43.00.28/Neptunium-237 Oxide Powder/Japan

Neptunium-237 Oxide Powder from Japan

Neptunium-237 oxide used in research and as burnable poison in reactors, classified as 'other' radioactive compound (element 93) in 2844.43.0028. Excluded from specific subheadings.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Submit Category II nuclear material license; calculate transport index accurately; ensure criticality control per ANSI N14.1 standards