23000-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23000-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,0,0 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 23000-61:
(7*2)+(6*3)+(5*0)+(4*0)+(3*0)+(2*6)+(1*1)=45
45 % 10 = 5
So 23000-61-5 is a valid CAS Registry Number.