26166-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26166-70-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,6 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 26166-70:
(7*2)+(6*6)+(5*1)+(4*6)+(3*6)+(2*7)+(1*0)=111
111 % 10 = 1
So 26166-70-1 is a valid CAS Registry Number.