26040-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26040-66-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,0,4 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26040-66:
(7*2)+(6*6)+(5*0)+(4*4)+(3*0)+(2*6)+(1*6)=84
84 % 10 = 4
So 26040-66-4 is a valid CAS Registry Number.