200123-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200123-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,1,2 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 200123-23:
(8*2)+(7*0)+(6*0)+(5*1)+(4*2)+(3*3)+(2*2)+(1*3)=45
45 % 10 = 5
So 200123-23-5 is a valid CAS Registry Number.