Monothiophosphorsaeure-O,O-dimethylester-S-<2-methoxy-4-nitro-phenylester>, also known as O,O-dimethyl monothiophosphoric acid S-ester with 2-methoxy-4-nitrophenol, is a complex organic compound with the chemical formula C9H12NO6PS. Monothiophosphorsaeure-O,O-dimethylester-S-<2-methoxy-4-nitro-phenylester> is a type of organophosphorus ester, which is characterized by the presence of a phosphorus atom bonded to carbon, oxygen, and sulfur atoms. It is a colorless to pale yellow liquid and is used as a chemical intermediate in the synthesis of various pesticides and pharmaceuticals. Due to its potential toxicity and reactivity, it is important to handle Monothiophosphorsaeure-O,O-dimethylester-S-<2-methoxy-4-nitro-phenylester> with care, following appropriate safety protocols.
The CAS Registry Mumber 4184-49-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,8 and 4 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 4184-49: (6*4)+(5*1)+(4*8)+(3*4)+(2*4)+(1*9)=90 90 % 10 = 0 So 4184-49-0 is a valid CAS Registry Number.