28117-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28117-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,1 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28117-16:
(7*2)+(6*8)+(5*1)+(4*1)+(3*7)+(2*1)+(1*6)=100
100 % 10 = 0
So 28117-16-0 is a valid CAS Registry Number.