26198-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26198-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,9 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 26198-31:
(7*2)+(6*6)+(5*1)+(4*9)+(3*8)+(2*3)+(1*1)=122
122 % 10 = 2
So 26198-31-2 is a valid CAS Registry Number.