26167-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26167-19-1 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 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26167-19:
(7*2)+(6*6)+(5*1)+(4*6)+(3*7)+(2*1)+(1*9)=111
111 % 10 = 1
So 26167-19-1 is a valid CAS Registry Number.