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Pyroxasulfone

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For Research Use Only | Not For Clinical Use
CATAPS447399555
CAS447399-55-5
Structure
SynonymsKIH 485, Sakura,Isoxazole, 3-[[[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl]sulfonyl]-4,5-dihydro-5,5-dimethyl-, Sakura 85WG, Pyroxasulfone, 3-[5-(Difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole
IUPAC Name3-[[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-yl]methylsulfonyl]-5,5-dimethyl-4H-1,2-oxazole
Molecular Weight391.31
Molecular FormulaC12H14F5N3O4S
Canonical SMILESCn1nc(c(CS(=O)(=O)C2=NOC(C)(C)C2)c1OC(F)F)C(F)(F)F
InChIInChI=1S/C12H14F5N3O4S/c1-11(2)4-7(19-24-11)25(21,22)5-6-8(12(15,16)17)18-20(3)9(6)23-10(13)14/h10H,4-5H2,1-3H3
Accurate Mass391.0625
FormatNeat
ShippingRoom Temperature
Storage Conditions+4°C
SubcategoryHerbicides and metabolites
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Case Study

Effects of Pyroxsulam Spraying on Soil Properties

Wang, Yanhui, et al. Journal of Hazardous Materials 455 (2023): 131608.

This study, which lasted for 60 days, involved collecting soil samples at five time points (1, 15, 30, 45, and 60 days) after the application of pyroxsulam (PYR) to the soil. Most of the PYR degradation occurred within the first 30 days. However, even after 60 days, low concentrations were still detectable. By the end of the experiment, PYR degradation in the low- and high-dose treatments was 95.23% and 93.50%, respectively, compared to the first day after spraying. The degradation dynamics of PYR at low and high concentrations in sugarcane fields were also analyzed. The results indicated that the dissipation kinetics of PYR at both concentrations followed an exponential equation, with R2 > 0.92. The half-lives of PYR in the low and high concentration treatments were 14.44 days and 14.74 days, respectively.

Inhibition of Plant Shoots and Cultured Rice Cells by Pyroxasulfone

Tanetani, Yoshitaka, et al. Pesticide Biochemistry and Physiology 95.1 (2009): 47-55.

Pyroxasulfone exhibits strong inhibitory effects on the growth of rice as well as Italian ryegrass and barnyardgrass. The growth inhibition observed in these monocotyledonous plants is quite similar. However, selective growth inhibition has been noted between rice and other monocot crops, such as wheat and corn. The inhibitory effect of pyroxasulfone on the growth of cultured rice cells is significantly weaker compared to its effect on rice shoots. Specifically, at concentrations below 10-5 M, pyroxasulfone only slightly inhibits the growth of cultured rice cells.

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