Tariff reference › Chapter 99 › 9902.05.66
HTS 9902.05.66 — (RS)-5-Amino-1-[2,6-dichloro-4-(trifluoromethyl)phe- nyl]-4-(trifluoromethysulfinyl)-1H-pyrazole-3-carbonitrile (Fipronil) (CAS No. 120068-37-3) (provided for in subheading 2933.19.23)
The current US import duty for (RS)-5-Amino-1-[2,6-dichloro-4-(trifluoromethyl)phe- nyl]-4-(trifluoromethysulfinyl)-1H-pyrazole-3-carbonitrile (Fipronil) (CAS No. 120068-37-3) (provided for in subheading 2933.19.23) (HTS 9902.05.66) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
(RS)-5-Amino-1-[2,6-dichloro-4-(trifluoromethyl)phe- nyl]-4-(trifluoromethysulfinyl)-1H-pyrazole-3-carbonitrile (Fipronil) (CAS No. 120068-37-3) (provided for in subheading 2933.19.23)
Current US duty rate
| Column 1 (General / MFN) | 4.4% |
|---|---|
| Special (FTA programs) | No change |
| Column 2 (other) | No change |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9902.05.66&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).