On September 9, 2025, the Technical Committee on Pesticide Nomenclature of the International Organization for Standardization (ISO) provisionally approved the international common name fentiazoluron for a new insecticide. The name has been officially published on the Compendium of Pesticide Common Names (CPCN) website.
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International Common Name: fentiazoluron (P)
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Proposed Chinese Name: 吩噻唑虫脲 (Fēn sāi zuò chóng niào)
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IUPAC Name: N-(2-fluoro-4-{1-[4-(trifluoromethoxy)phenyl]-1H-1,2,4-triazol-3-yl}phenyl)-N′-[(2Z)-3-{5-methyl-2-[(2,2,2-trifluoroethoxy)methyl]phenyl}-4-oxo-1,3-thiazolidin-2-ylidene]urea
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CAS Registry Number: 2583740-14-9
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Molecular Formula: C₂₉H₂₁F₇N₆O₄S
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Molecular Weight: 682.576
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Use: Insecticide
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Chemical Structure: See Figure 1.
The applicant for the common name is Corteva Agriscience. Any objections to this provisional approval must be submitted to the ISO 1750 Maintenance Agency by March 8, 2026.
