The CAS Registry Mumber 46963-24-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,6,9,6 and 3 respectively; the second part has 2 digits, 2 and 4 respectively. Calculate Digit Verification of CAS Registry Number 46963-24: (7*4)+(6*6)+(5*9)+(4*6)+(3*3)+(2*2)+(1*4)=150 150 % 10 = 0 So 46963-24-0 is a valid CAS Registry Number.