566-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 566-51-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 566-51:
(5*5)+(4*6)+(3*6)+(2*5)+(1*1)=78
78 % 10 = 8
So 566-51-8 is a valid CAS Registry Number.