569686-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 569686-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,9,6,8 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 569686-13:
(8*5)+(7*6)+(6*9)+(5*6)+(4*8)+(3*6)+(2*1)+(1*3)=221
221 % 10 = 1
So 569686-13-1 is a valid CAS Registry Number.