The CAS Registry Mumber 95096-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,0,9 and 6 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 95096-19: (7*9)+(6*5)+(5*0)+(4*9)+(3*6)+(2*1)+(1*9)=158 158 % 10 = 8 So 95096-19-8 is a valid CAS Registry Number.