819-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 819-58-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,1 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 819-58:
(5*8)+(4*1)+(3*9)+(2*5)+(1*8)=89
89 % 10 = 9
So 819-58-9 is a valid CAS Registry Number.