99020-93-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99020-93-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,2 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99020-93:
(7*9)+(6*9)+(5*0)+(4*2)+(3*0)+(2*9)+(1*3)=146
146 % 10 = 6
So 99020-93-6 is a valid CAS Registry Number.