The CAS Registry Mumber 114274-96-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,2,7 and 4 respectively; the second part has 2 digits, 9 and 6 respectively. Calculate Digit Verification of CAS Registry Number 114274-96: (8*1)+(7*1)+(6*4)+(5*2)+(4*7)+(3*4)+(2*9)+(1*6)=113 113 % 10 = 3 So 114274-96-3 is a valid CAS Registry Number.