891779-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 891779-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,7,7 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 891779-59:
(8*8)+(7*9)+(6*1)+(5*7)+(4*7)+(3*9)+(2*5)+(1*9)=242
242 % 10 = 2
So 891779-59-2 is a valid CAS Registry Number.