O-Methyl-O-ethylchlorothiophosphate is a chemical compound registered under CAS number 13289-13-9, with the molecular formula C3H8ClO2PS and a molecular weight of about 174.58 g/mol. It is also known as chloro-ethoxy-methoxy-sulfanylidene-phosphorane. DeWeiChem supplies O-Methyl-O-ethylchlorothiophosphate for laboratory research and bulk production; product code 1044038. Send an inquiry for purity, packaging, price and lead time.