91058-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91058-84-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,5 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91058-84:
(7*9)+(6*1)+(5*0)+(4*5)+(3*8)+(2*8)+(1*4)=133
133 % 10 = 3
So 91058-84-3 is a valid CAS Registry Number.