880-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 880-77-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,8 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 880-77:
(5*8)+(4*8)+(3*0)+(2*7)+(1*7)=93
93 % 10 = 3
So 880-77-3 is a valid CAS Registry Number.