The chemical "3H-Pyrazol-3-one, 4-butyl-1,2-dihydro-5-hydroxy-1,2-diphenyl-, sodium salt" is a complex organic compound with the molecular formula C20H19NNaO3. It is a sodium salt derivative of 4-butyl-1,2-dihydro-5-hydroxy-1,2-diphenyl-3H-pyrazol-3-one, which is a type of pyrazolone. 3H-Pyrazol-3-one, 4-butyl-1,2-dihydro-5-hydroxy-1,2-diphenyl-, sodium
salt is characterized by its unique structure, featuring a pyrazolone ring with a hydroxyl group, two phenyl groups, and a butyl chain. It is used in various applications, such as in pharmaceuticals and as a chemical intermediate. The sodium salt form indicates that it has been ionized to carry a negative charge on the pyrazolone ring, with the sodium ion balancing the charge. 3H-Pyrazol-3-one, 4-butyl-1,2-dihydro-5-hydroxy-1,2-diphenyl-, sodium
salt is of interest in chemical research and development due to its potential properties and reactivity.
The CAS Registry Mumber 2531-05-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,3 and 1 respectively; the second part has 2 digits, 0 and 5 respectively. Calculate Digit Verification of CAS Registry Number 2531-05: (6*2)+(5*5)+(4*3)+(3*1)+(2*0)+(1*5)=57 57 % 10 = 7 So 2531-05-7 is a valid CAS Registry Number.