93020-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93020-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,0,2 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 93020-68:
(7*9)+(6*3)+(5*0)+(4*2)+(3*0)+(2*6)+(1*8)=109
109 % 10 = 9
So 93020-68-9 is a valid CAS Registry Number.