679-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679-22-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 679-22:
(5*6)+(4*7)+(3*9)+(2*2)+(1*2)=91
91 % 10 = 1
So 679-22-1 is a valid CAS Registry Number.