578-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 578-78-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 578-78:
(5*5)+(4*7)+(3*8)+(2*7)+(1*8)=99
99 % 10 = 9
So 578-78-9 is a valid CAS Registry Number.