68072-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68072-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,0,7 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68072-20:
(7*6)+(6*8)+(5*0)+(4*7)+(3*2)+(2*2)+(1*0)=128
128 % 10 = 8
So 68072-20-8 is a valid CAS Registry Number.