Pyribenzoxim

Pyribenzoxim
Names
	Preferred IUPAC name {2,6-Bis[(4,6-dimethoxypyrimidin-2-yl)oxy]phenyl}{[(diphenylmethylidene)amino]oxy}methanone
	Other names LGC-40863, Pyanchor
Identifiers
CAS Number	168088-61-7;
3D model (JSmol)	Interactive image;
ChemSpider	155056;
ECHA InfoCard	100.129.381
EC Number	605-503-4;
PubChem CID	178117;
UNII	VBD478968P;
CompTox Dashboard (EPA)	DTXSID2057996 ;
	InChI InChI=1S/C32H27N5O8/c1-39-24-18-25(40-2)34-31(33-24)43-22-16-11-17-23(44-32-35-26(41-3)19-27(36-32)42-4)28(22)30(38)45-37-29(20-12-7-5-8-13-20)21-14-9-6-10-15-21/h5-19H,1-4H3 Key: OVXMBIVWNJDDSM-UHFFFAOYSA-N;
	SMILES COc1cc(nc(n1)Oc2cccc(c2C(=O)ON=C(c3ccccc3)c4ccccc4)Oc5nc(cc(n5)OC)OC)OC;
Properties
Chemical formula	C32H27N5O8
Molar mass	609.595 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

Pyribenzoxim, also known as LGC-40863, is a synthetic herbicide.^[1]

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

References

↑ Koo, Suk Jin; Ahn, Sei-Chang; Lim, Jae Suk; Chae, Sang Hern; Kim, Jung Soo; Lee, Jae Hwan; Cho, Jin Ho (1997). "Biological activity of the new herbicide LGC-40863 {benzophenone O -[2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]benzoyl]oxime}". Pesticide Science. 51 (2): 109. doi:10.1002/(sici)1096-9063(199710)51:2<109::aid-ps585>3.0.co;2-7.
↑ "Classification of Herbicides According to Site of Action". Retrieved 19 July 2025.

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