566913-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 566913-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,6,9,1 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 566913-66:
(8*5)+(7*6)+(6*6)+(5*9)+(4*1)+(3*3)+(2*6)+(1*6)=194
194 % 10 = 4
So 566913-66-4 is a valid CAS Registry Number.