68020-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68020-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,0,2 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68020-97:
(7*6)+(6*8)+(5*0)+(4*2)+(3*0)+(2*9)+(1*7)=123
123 % 10 = 3
So 68020-97-3 is a valid CAS Registry Number.