5678-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5678-79-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,7 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5678-79:
(6*5)+(5*6)+(4*7)+(3*8)+(2*7)+(1*9)=135
135 % 10 = 5
So 5678-79-5 is a valid CAS Registry Number.