2080-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2080-26-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,8 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2080-26:
(6*2)+(5*0)+(4*8)+(3*0)+(2*2)+(1*6)=54
54 % 10 = 4
So 2080-26-4 is a valid CAS Registry Number.