26343-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26343-69-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,4 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26343-69:
(7*2)+(6*6)+(5*3)+(4*4)+(3*3)+(2*6)+(1*9)=111
111 % 10 = 1
So 26343-69-1 is a valid CAS Registry Number.