567-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 567-54-4 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 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 567-54:
(5*5)+(4*6)+(3*7)+(2*5)+(1*4)=84
84 % 10 = 4
So 567-54-4 is a valid CAS Registry Number.