709-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 709-26-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 709-26:
(5*7)+(4*0)+(3*9)+(2*2)+(1*6)=72
72 % 10 = 2
So 709-26-2 is a valid CAS Registry Number.