CAS: 8065-48-3 Molecular Formula: 2 C8 H19 O3 P S2 Molecular Weight (g/mol): 516.68 Synonym: Phosphorothioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester, mixt. contg. (9CI),Bayer 8169,Demeton,E 1059,Ethyl systox,Mercaptofos,Mercaptophos,Phosphorothioic acid O,O-diethyl O-[2-(ethylthio)ethyl] ester mixture with O,O-diethyl S-[2-(ethylthio)ethyl]phosphorothioate,Septox,Systox IUPAC Name: diethoxy-(2-ethylsulfanylethoxy)-sulfanylidene-λ^{5}-phosphane;1-diethoxyphosphorylsulfanyl-2-ethylsulfanylethane SMILES: CCOP(=S)(OCC)OCCSCC.CCOP(=O)(OCC)SCCSCC