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HTS 2845Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined

Product or HTS code

Rate lines5

Code	Description	General	Special	Column 2	Units	Calculate
2845.10.00.00	2845.10.00.00Heavy water (Deuterium oxide)General Free · Column 2 25% · kg	Free		25%	kg
2845.20.00.00	2845.20.00.00Boron enriched in boron-10 and its compoundsGeneral Free · Column 2 25% · kg	Free		25%	kg
2845.30.00.00	2845.30.00.00Lithium enriched in lithium-6 and its compoundsGeneral Free · Column 2 25% · kg	Free		25%	kg
2845.40.00.00	2845.40.00.00Helium-3General Free · Column 2 25% · kg	Free		25%	kg
2845.90.01.00	2845.90.01.00OtherGeneral Free · Column 2 25% · kg	Free		25%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Canada29.16% of imports	India27.66% of imports	Russia9.29% of imports	Netherlands9.14% of imports	Israel5.28% of imports	Switzerland4.36% of imports	China2.96% of imports	France2.89% of imports	Japan2.73% of imports	Germany2.35% of imports
2845.10.00.00Heavy water (Deuterium oxide)	10%9903.05.29	10%9903.05.44	37.5%9903.05.66	10%9903.05.39	12.5%9903.05.47	12.5%9903.05.74	37.5%9903.05.319903.88.03	10%9903.05.39	12.5%9903.05.49	10%9903.05.39
2845.20.00.00Boron enriched in boron-10 and its compounds	10%9903.05.29	10%9903.05.44	37.5%9903.05.66	10%9903.05.39	12.5%9903.05.47	12.5%9903.05.74	37.5%9903.05.319903.88.01	10%9903.05.39	12.5%9903.05.49	10%9903.05.39
2845.30.00.00Lithium enriched in lithium-6 and its compounds	10%9903.05.29	10%9903.05.44	37.5%9903.05.66	10%9903.05.39	12.5%9903.05.47	12.5%9903.05.74	37.5%9903.05.319903.88.01	10%9903.05.39	12.5%9903.05.49	10%9903.05.39
2845.40.00.00Helium-3	10%9903.05.29	10%9903.05.44	37.5%9903.05.66	10%9903.05.39	12.5%9903.05.47	12.5%9903.05.74	37.5%9903.05.319903.88.01	10%9903.05.39	12.5%9903.05.49	10%9903.05.39
2845.90.01.00Other	10%9903.05.29	10%9903.05.44	37.5%9903.05.66	10%9903.05.39	12.5%9903.05.47	12.5%9903.05.74	37.5%9903.05.319903.88.01	10%9903.05.39	12.5%9903.05.49	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).