891-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 891-77-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,9 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 891-77:
(5*8)+(4*9)+(3*1)+(2*7)+(1*7)=100
100 % 10 = 0
So 891-77-0 is a valid CAS Registry Number.