20268-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20268-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,6 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20268-80:
(7*2)+(6*0)+(5*2)+(4*6)+(3*8)+(2*8)+(1*0)=88
88 % 10 = 8
So 20268-80-8 is a valid CAS Registry Number.