259668-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259668-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,6 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 259668-51:
(8*2)+(7*5)+(6*9)+(5*6)+(4*6)+(3*8)+(2*5)+(1*1)=194
194 % 10 = 4
So 259668-51-4 is a valid CAS Registry Number.