693818-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693818-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,8,1 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 693818-13:
(8*6)+(7*9)+(6*3)+(5*8)+(4*1)+(3*8)+(2*1)+(1*3)=202
202 % 10 = 2
So 693818-13-2 is a valid CAS Registry Number.