259880-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259880-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,8,8 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 259880-65:
(8*2)+(7*5)+(6*9)+(5*8)+(4*8)+(3*0)+(2*6)+(1*5)=194
194 % 10 = 4
So 259880-65-4 is a valid CAS Registry Number.