23013-26-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23013-26-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,0,1 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23013-26:
(7*2)+(6*3)+(5*0)+(4*1)+(3*3)+(2*2)+(1*6)=55
55 % 10 = 5
So 23013-26-5 is a valid CAS Registry Number.