31010-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31010-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,1 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31010-69:
(7*3)+(6*1)+(5*0)+(4*1)+(3*0)+(2*6)+(1*9)=52
52 % 10 = 2
So 31010-69-2 is a valid CAS Registry Number.