Tariff reference › Chapter 99 › 9902.10.04
HTS 9902.10.04 — Product mixtures containing methyl 4-{[(3-methoxy-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)carbonyl] sulfamoyl}-5-methyl-3-thiophenecarboxylate (Thiencarbazone-methyl) (CAS No. 317815-83-1), methyl 2-{[(4,6-dimethoxy-2-pyrimidinyl) carbamoyl] sulfamoyl}-4-{[(methylsulfonyl)amino]methyl} benzoate (Mesosulfuron-methyl) (CAS No. 208465-21-8) and diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole -3,5-dicarboxylate (Mefenpyr-diethyl) (CAS No. 135590-91-9) (provided for in subheading 3808.93.15)
The current US import duty for Product mixtures containing methyl 4-{[(3-methoxy-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)carbonyl] sulfamoyl}-5-methyl-3-thiophenecarboxylate (Thiencarbazone-methyl) (CAS No. 317815-83-1), methyl 2-{[(4,6-dimethoxy-2-pyrimidinyl) carbamoyl] sulfamoyl}-4-{[(methylsulfonyl)amino]methyl} benzoate (Mesosulfuron-methyl) (CAS No. 208465-21-8) and diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole -3,5-dicarboxylate (Mefenpyr-diethyl) (CAS No. 135590-91-9) (provided for in subheading 3808.93.15) (HTS 9902.10.04) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Product mixtures containing methyl 4-{[(3-methoxy-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)carbonyl] sulfamoyl}-5-methyl-3-thiophenecarboxylate (Thiencarbazone-methyl) (CAS No. 317815-83-1), methyl 2-{[(4,6-dimethoxy-2-pyrimidinyl) carbamoyl] sulfamoyl}-4-{[(methylsulfonyl)amino]methyl} benzoate (Mesosulfuron-methyl) (CAS No. 208465-21-8) and diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole -3,5-dicarboxylate (Mefenpyr-diethyl) (CAS No. 135590-91-9) (provided for in subheading 3808.93.15)
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| 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=9902.10.04&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).