20686-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20686-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,8 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20686-22:
(7*2)+(6*0)+(5*6)+(4*8)+(3*6)+(2*2)+(1*2)=100
100 % 10 = 0
So 20686-22-0 is a valid CAS Registry Number.