The CAS Registry Mumber 95037-88-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,0,3 and 7 respectively; the second part has 2 digits, 8 and 8 respectively. Calculate Digit Verification of CAS Registry Number 95037-88: (7*9)+(6*5)+(5*0)+(4*3)+(3*7)+(2*8)+(1*8)=150 150 % 10 = 0 So 95037-88-0 is a valid CAS Registry Number.