26999-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26999-06-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,9 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26999-06:
(7*2)+(6*6)+(5*9)+(4*9)+(3*9)+(2*0)+(1*6)=164
164 % 10 = 4
So 26999-06-4 is a valid CAS Registry Number.