Mesulfenfos

Synonyms: fenthion sulfoxide, "Fensulfoxide", "Mesulfenos", "FENTHION-SULFOXIDE", "Fenthionsulfoxide", "O,O-Dimethyl O-(4-(methylsulfinyl)-m-tolyl) phosphorothioate", "O,O-Dimethyl O-((4-methylthio)-m-tolyl)phosphorothioate sulfoxide", "Phosphorothioic acid, O,O-dimethyl O-(4-(methylsulfinyl)-m-tolyl) ester", "Phosphorothioic acid, O,O-dimethyl O-(3-methyl-4-(methylsulfinyl)phenyl) ester"

Source: Fenthion Sulfoxide is the sulfoxide anlogue and metabolite of the organothiophosphate insecticide Fenthion.

Identifiers:

IUPAC Name: dimethoxy-(3-methyl-4-methylsulfinylphenoxy)-sulfanylidene-lambda5-phosphane
CAS Number: 3761-41-9
PubChem ID: 19577
InChiKey: DLAPIMGBBDILHJ-UHFFFAOYSA-N
Canonical SMILES: CC1=C(C=CC(=C1)OP(=S)(OC)OC)S(=O)C

Structural Properties:

Molecular Formula: C₁₀H₁₅O₄PS₂
Molecular Weight: 294,300

Pharmacophore Features:

Number of bond donors: 0
Number of bond acceptors: 6
Number of atoms different from hydrogen: 17

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Evidence Supporting This Chemical as an Emerging Contaminant

Pico, Y., Belenguer, V., Corcellas, C., D?az-Cruz, M. S., Eljarrat, E., Farr?, M., ... & Rodr?guez-Mozaz, S. (2019). Contaminants of emerging concern in freshwater fish from four Spanish Rivers. Science of The Total Environment, 659, 1186-1198.

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