80558-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80558-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,5 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80558-82:
(7*8)+(6*0)+(5*5)+(4*5)+(3*8)+(2*8)+(1*2)=143
143 % 10 = 3
So 80558-82-3 is a valid CAS Registry Number.