2924.21.08.00
1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron)
Carboxyamide-function compounds; amide-function compounds of carbonic acid: Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof: Ureines and their derivatives; salts thereof: Aromatic: Pesticides
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
15.4¢/kg + 40.5%
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
No active Chapter 99 measures are linked to this code.
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to Free.
Related CBP rulings
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The subject product is a chemical product called Carglumic Acid (CAS# 1188-38-1). It is also known as (2S)-2-(Carbamoylamino)pentanedioic acid. You indicate that it is an active pharmaceutical ingredient imported from Italy.
The tariff classification of 2-Propenoic acid, 2-[[(butylamino)carbonyl]oxy]ethyl ester, (CAS# 63225-53-6) from Japan
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The tariff classification and eligibility under the Pharmaceutical Appendix of Bitrex Anhydrous (CAS# 3734-33-6) and other Bitrex related solutions from the United Kingdom and China
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The tariff classification of laboratory reference standards for analytical testing from France
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Other codes in heading 2924
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2924.21.08.00 from each major US trading partner.
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