Penoxsulam

Penoxsulam
Names
	Preferred IUPAC name 2-(2,2-Difluoroethoxy)-N-(5,8-dimethoxy-[1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-6-(trifluoromethyl)benzenesulfonamide
Identifiers
CAS Number	219714-96-2;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:81776;
ChEMBL	ChEMBL1895913;
ChemSpider	9959655;
ECHA InfoCard	100.107.359
KEGG	C18481;
PubChem CID	11784975;
UNII	784ELC1SCZ;
CompTox Dashboard (EPA)	DTXSID0034803 ;
	InChI InChI=1S/C16H14F5N5O5S/c1-29-10-6-22-15(30-2)26-13(10)23-14(24-26)25-32(27,28)12-8(16(19,20)21)4-3-5-9(12)31-7-11(17)18/h3-6,11H,7H2,1-2H3,(H,24,25) Key: SYJGKVOENHZYMQ-UHFFFAOYSA-N;
	SMILES COC1=CN=C(N2C1=NC(=N2)NS(=O)(=O)C3=C(C=CC=C3OCC(F)F)C(F)(F)F)OC;
Properties
Chemical formula	C16H14F5N5O5S
Molar mass	483.37 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Penoxsulam is sulfonamide and triazolopyrimidine herbicide that acts as an acetolactate synthase inhibitor.^[1]^[2] It is primarily used for rice production.^[3]

Penoxsulam's HRAC classification is Group B (global, Aus), Group 2 (numeric), as it is an acetohydroxyacid synthase inhibitor.^[4]

References

↑ European Food Safety Authority (EFSA) (April 2017). "Review of the existing maximum residue levels for penoxsulam according to Article 12 of Regulation (EC) No 396/2005". EFSA Journal. 15 (4): e04753. doi:10.2903/j.efsa.2017.4753. PMC 7010082. PMID 32625459.
↑ "Pesticide Fact Sheet" (PDF). United States Environmental Protection Agency. Retrieved 9 January 2024.
↑ "Penoxsulam Considerations - Plant Management in Florida Waters - An Integrated Approach - University of Florida, Institute of Food and Agricultural Sciences - UF/IFAS". plants.ifas.ufl.edu. University of Florida. Retrieved 9 January 2024.
↑ "Classification of Herbicides According to Site of Action". Retrieved 19 July 2025.

External links

Penoxsulam in the Pesticide Properties DataBase (PPDB)

[EFSA2017-1] European Food Safety Authority (EFSA) (April 2017). "Review of the existing maximum residue levels for penoxsulam according to Article 12 of Regulation (EC) No 396/2005". EFSA Journal. 15 (4): e04753. doi:10.2903/j.efsa.2017.4753. PMC 7010082. PMID 32625459.

[EPA2004-2] "Pesticide Fact Sheet" (PDF). United States Environmental Protection Agency. Retrieved 9 January 2024.

[3] "Penoxsulam Considerations - Plant Management in Florida Waters - An Integrated Approach - University of Florida, Institute of Food and Agricultural Sciences - UF/IFAS". plants.ifas.ufl.edu. University of Florida. Retrieved 9 January 2024.

[4] "Classification of Herbicides According to Site of Action". Retrieved 19 July 2025.

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