N,N'-Bis-<4-nitroso-phenyl>-p-phenylendiamin, also known as 4,4'-diaminoazobenzene or Michler's hydrol, is an organic compound with the chemical formula C12H10N4O2. It is a yellow crystalline solid that is soluble in organic solvents and slightly soluble in water. N,N'-Bis-<4-nitroso-phenyl>-p-phenylendiamin is primarily used as a chemical intermediate in the synthesis of various dyes, pigments, and pharmaceuticals. It is also employed as a reagent in analytical chemistry for the detection of certain metal ions. Due to its potential health and environmental risks, handling and disposal of N,N'-Bis-<4-nitroso-phenyl>-p-phenylendiamin must be done with proper safety measures and in accordance with local regulations.
The CAS Registry Mumber 7696-71-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,9 and 6 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 7696-71: (6*7)+(5*6)+(4*9)+(3*6)+(2*7)+(1*1)=141 141 % 10 = 1 So 7696-71-1 is a valid CAS Registry Number.