28081-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28081-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,8 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28081-64:
(7*2)+(6*8)+(5*0)+(4*8)+(3*1)+(2*6)+(1*4)=113
113 % 10 = 3
So 28081-64-3 is a valid CAS Registry Number.