Monothiophosphorsaeure-O,O-dimethylester-S-<2-methyl-5-nitro-phenylester>, also known as O,O-dimethyl S-(2-methyl-5-nitrophenyl) monothiophosphate, is a chemical compound with the molecular formula C9H12NO5PS. It is an organophosphorus compound that belongs to the class of monothiophosphates. Monothiophosphorsaeure-O,O-dimethylester-S-<2-methyl-5-nitro-phenylester> is characterized by the presence of a phosphorus atom bonded to a sulfur atom, a methyl group, and an ester group derived from 2-methyl-5-nitrophenol. It is a colorless to pale yellow liquid with a pungent odor and is used as an intermediate in the synthesis of various pesticides and chemical products. Due to its potential toxicity and reactivity, it is important to handle Monothiophosphorsaeure-O,O-dimethylester-S-<2-methyl-5-nitro-phenylester> with care and in accordance with proper safety protocols.
The CAS Registry Mumber 4184-54-7 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, 5 and 4 respectively. Calculate Digit Verification of CAS Registry Number 4184-54: (6*4)+(5*1)+(4*8)+(3*4)+(2*5)+(1*4)=87 87 % 10 = 7 So 4184-54-7 is a valid CAS Registry Number.