99058-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99058-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,5 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99058-20:
(7*9)+(6*9)+(5*0)+(4*5)+(3*8)+(2*2)+(1*0)=165
165 % 10 = 5
So 99058-20-5 is a valid CAS Registry Number.