2-(1-oxo-2,5-dihydro-1H-1λ5-phosphol-1-yloxy)-phenol is a complex organic compound with the molecular formula C12H13O4P. It is a derivative of phenol, where a phosphol group is attached to the 2-position of the phenol ring. The phosphol group consists of a phosphorus atom bonded to a hydroxyl group and a double-bonded oxygen atom, forming a five-membered ring. 2-(1-oxo-2,5-dihydro-1H-1λ5-phosphol-1-yloxy)-phenol is characterized by its unique structure, which includes a phosphorus-containing ring and a phenolic hydroxyl group. It is an example of a phosphorus-containing organic compound, which can have various applications in chemistry, such as in the synthesis of pharmaceuticals or as a chemical intermediate. The specific properties and reactivity of 2-(1-oxo-2,5-dihydro-1H-1λ5-phosphol-1-yloxy)-phenol would depend on its ability to form complexes or participate in reactions due to the presence of the phosphorus atom and the phenolic group.
The CAS Registry Mumber 4646-05-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,4 and 6 respectively; the second part has 2 digits, 0 and 5 respectively. Calculate Digit Verification of CAS Registry Number 4646-05: (6*4)+(5*6)+(4*4)+(3*6)+(2*0)+(1*5)=93 93 % 10 = 3 So 4646-05-3 is a valid CAS Registry Number.