28168-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28168-51-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,6 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28168-51:
(7*2)+(6*8)+(5*1)+(4*6)+(3*8)+(2*5)+(1*1)=126
126 % 10 = 6
So 28168-51-6 is a valid CAS Registry Number.