4-Cinnolinol, 8-nitro-, also known as 8-Nitro-4-cinnolinol or 8-Nitro-4-quinolinol, is a chemical compound with the molecular formula C9H6N2O2. It is a yellow crystalline solid that is soluble in water and various organic solvents. 4-Cinnolinol, 8-nitro- is a derivative of cinnoline, a heterocyclic aromatic compound with a benzene ring fused to a pyridine ring. The 8-nitro group substitution on the cinnoline structure imparts unique chemical and physical properties to the molecule. 4-Cinnolinol, 8-nitro- is used in various applications, including as a reagent in analytical chemistry for the detection of metal ions, particularly copper, and as an intermediate in the synthesis of pharmaceuticals and other organic compounds. Its chemical structure and properties make it a versatile building block in organic synthesis and a valuable tool in the development of new materials and drugs.
The CAS Registry Mumber 2096-40-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,9 and 6 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 2096-40: (6*2)+(5*0)+(4*9)+(3*6)+(2*4)+(1*0)=74 74 % 10 = 4 So 2096-40-4 is a valid CAS Registry Number.