226926-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226926-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,2 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 226926-99:
(8*2)+(7*2)+(6*6)+(5*9)+(4*2)+(3*6)+(2*9)+(1*9)=164
164 % 10 = 4
So 226926-99-4 is a valid CAS Registry Number.