8058-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8058-55-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,5 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 8058-55:
(6*8)+(5*0)+(4*5)+(3*8)+(2*5)+(1*5)=107
107 % 10 = 7
So 8058-55-7 is a valid CAS Registry Number.