Fluor-triaethylsilyloxy-phosphoryl-methan, also known as (triaethylsilyl)oxy-phosphoryl-fluoromethane, is a complex organophosphorus compound with the chemical formula C5H15FO3PSi. It is a colorless liquid that is sensitive to moisture and air, and it is used as a reagent in organic synthesis, particularly in the formation of phosphorus-containing compounds. The molecule consists of a fluoromethane group, a phosphoryl group, and a triethylsilyl ether group, which together contribute to its unique chemical properties and reactivity. Due to its sensitivity, it is typically handled under anhydrous conditions and is used in the synthesis of various phosphorus-containing organic molecules, such as phosphonates and phosphinates.
The CAS Registry Mumber 1751-13-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,5 and 1 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 1751-13: (6*1)+(5*7)+(4*5)+(3*1)+(2*1)+(1*3)=69 69 % 10 = 9 So 1751-13-9 is a valid CAS Registry Number.