26818-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26818-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,8,1 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 26818-03:
(7*2)+(6*6)+(5*8)+(4*1)+(3*8)+(2*0)+(1*3)=121
121 % 10 = 1
So 26818-03-1 is a valid CAS Registry Number.