20231-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20231-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,3 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20231-06:
(7*2)+(6*0)+(5*2)+(4*3)+(3*1)+(2*0)+(1*6)=45
45 % 10 = 5
So 20231-06-5 is a valid CAS Registry Number.