80300-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80300-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,0 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80300-23:
(7*8)+(6*0)+(5*3)+(4*0)+(3*0)+(2*2)+(1*3)=78
78 % 10 = 8
So 80300-23-8 is a valid CAS Registry Number.