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Tariff referenceChapter 99 › 9902.05.49

HTS 9902.05.49 — 3-(2,4-Dichlorophenyl)-2-oxo-1-oxaspiro[4.5] dec-3-en-4-yl 2,2-dimethylbutanoate (Spirodiclofen) (CAS No. 148477-71-8) (provided for in subheading 2932.20.10)

The current US import duty for 3-(2,4-Dichlorophenyl)-2-oxo-1-oxaspiro[4.5] dec-3-en-4-yl 2,2-dimethylbutanoate (Spirodiclofen) (CAS No. 148477-71-8) (provided for in subheading 2932.20.10) (HTS 9902.05.49) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

3-(2,4-Dichlorophenyl)-2-oxo-1-oxaspiro[4.5] dec-3-en-4-yl 2,2-dimethylbutanoate (Spirodiclofen) (CAS No. 148477-71-8) (provided for in subheading 2932.20.10)

Current US duty rate

Column 1 (General / MFN)1.9%
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=9902.05.49&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).