226711-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226711-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,7,1 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 226711-23:
(8*2)+(7*2)+(6*6)+(5*7)+(4*1)+(3*1)+(2*2)+(1*3)=115
115 % 10 = 5
So 226711-23-5 is a valid CAS Registry Number.