The CAS Registry Mumber 96126-92-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,1,2 and 6 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 96126-92: (7*9)+(6*6)+(5*1)+(4*2)+(3*6)+(2*9)+(1*2)=150 150 % 10 = 0 So 96126-92-0 is a valid CAS Registry Number.