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CAS 115-91-3

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Phosphorothioic acid, O,O-dimethyl O-[4-(methylsulfinyl)phenyl] ester

Description:
Phosphorothioic acid, O,O-dimethyl O-[4-(methylsulfinyl)phenyl] ester, commonly known by its CAS number 115-91-3, is an organophosphorus compound characterized by its phosphorothioate structure. This substance features a phosphorus atom bonded to sulfur and oxygen, with two methyl groups and a phenyl group substituted with a methylsulfinyl moiety. It is typically a colorless to pale yellow liquid with a distinctive odor. The compound exhibits properties typical of organophosphates, including potential use as an insecticide or herbicide due to its ability to inhibit acetylcholinesterase, an enzyme critical for nerve function in insects. Its chemical stability and reactivity can vary based on environmental conditions, influencing its persistence and degradation in ecosystems. Safety considerations are paramount, as organophosphates can be toxic to humans and wildlife, necessitating careful handling and application. Overall, this compound exemplifies the diverse applications and significant risks associated with organophosphorus chemistry.
Formula:C9H13O4PS2
InChI:InChI=1S/C9H13O4PS2/c1-11-14(15,12-2)13-8-4-6-9(7-5-8)16(3)10/h4-7H,1-3H3
InChI key:InChIKey=DYAVFUPXPKGVQO-UHFFFAOYSA-N
SMILES:P(OC1=CC=C(S(C)=O)C=C1)(OC)(OC)=S
Synonyms:
  • Phosphorothioic acid, O,O-dimethyl O-[p-(methylsulfinyl)phenyl] ester
  • ENT 24,944
  • Phosphorothioic acid, O,O-dimethyl O-[4-(methylsulfinyl)phenyl] ester
  • Bayer 25,198
  • Phenol, p-(methylsulfinyl)-, O-ester with O,O-dimethyl phosphorothioate
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