2845.20.00.00
Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined — Boron enriched in boron-10 and its compounds
Tariff status for 2845.20.00.00 imported from China — regular duty, Section 301, Section 232 and forced-labor layers, from official data.
37.5%
total duty rate from China, before customs fees · estimate on $10,000 of goods: $3,750.00
From China today, this code carries about 37.5% in duties before fees: 0% regular duty plus 37.5% of extra tariffs (Section 301 — List 1 (China) 25%, Section 301 forced labor — China (+12.5%) 12.5%).
- Section 301 — List 1 (China) — 25%
- Section 301 forced labor — China (+12.5%) — 12.5%
| Regular duty | 0% |
| Section 301 — List 1 (China) | 25% |
| Section 301 forced labor — China (+12.5%) | 12.5% |
= possible extra duties, read the scope · red = costs money / high attention, amber = check the details, green = nothing found
The full rate for this code
| Regular duty (Column 1 / MFN) | Free |
|---|---|
| Special programs | — |
| Column 2 (Cuba / North Korea) | 25% |
| Unit of quantity | kg |
Extra tariffs that hit this code (Chapter 99)
| Heading | What it is | Rate | In effect from | |
|---|---|---|---|---|
| 9903.88.01 | Section 301 — List 1 (China) | 25% | — | official source |
| 9903.05.31 | Section 301 forced labor — China (+12.5%) | 12.5% | 2026-07-24 | official source |
Still to check before you ship
- Product-specific Section 301 exclusions exist under 9903.88.69 (through 2026-11-09T23:59-05:00) — they are written by product description, so check whether your exact product is described before paying the extra tariff.
- Product-specific Section 301 exclusions exist under 9903.88.70 (through 2026-11-09T23:59-05:00) — they are written by product description, so check whether your exact product is described before paying the extra tariff.
What $10,000 of this costs to land
Total duty rate: 37.5% on $10,000.00 of goods
| Duty layer | Rate | On $10,000.00 |
|---|---|---|
| Regular duty (MFN) | 0% | $0.00 |
| Section 301 — List 1 (China) | 25% | $2,500.00 |
| Section 301 forced labor — China (+12.5%) | 12.5% | $1,250.00 |
| Merchandise Processing Fee (FY2027) | $34.64 |
| Harbor Maintenance Fee (ocean only) | $12.50 |
Estimated landed cost before freight & insurance: $13,797.14 (goods $10,000.00 + duties $3,750.00 + fees $47.14)
Counted in: the duty layers above and the listed customs fees. Not counted in: freight, insurance, broker fees, platform fees, state taxes, and any AD/CVD duties. Assumes a formal entry, ocean shipping, entered on 2026-11-06. Estimate only — not a customs ruling.
Run your own numbers in the duty calculator → Add freight & insurance — landed cost calculator →
Similar codes in this chapter — easy to confuse
Importers mix these up. Same family, different duty:
| Code | Covers | Regular duty | Total from China |
|---|---|---|---|
| 2845.10.00.00 | Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined — Heavy water (Deuterium oxide) | Free | 37.5% |
| 2845.30.00.00 | Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined — Lithium enriched in lithium-6 and its compounds | Free | 37.5% |
| 2845.40.00.00 | Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined — Helium-3 | Free | 37.5% |
| 2845.90.01.00 | Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined | Free | 37.5% |
When this code's taxes changed
- 2026-11-06 — Rates on this page checked against HTS 2026HTSRev22
- 2026-07-24 — Section 301 forced labor — China (+12.5%) took effect (9903.05.31)
How Customs has ruled on similar products
CROSS is CBP's official database of classification rulings — the written answers Customs gives when an importer asks which code a product takes. Search CBP CROSS for 2845.20.00.00 to see how products like yours were classified, and which facts decided it. A ruling covers the product it names, not yours — but it shows how Customs reads this part of the schedule.
Data: HTS 2026HTSRev22 (USITC) · Chapter 99 rules checked 2026-11-06 · This page is an estimate from official data, not a customs ruling. How we calculate