28452-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28452-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,5 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28452-93:
(7*2)+(6*8)+(5*4)+(4*5)+(3*2)+(2*9)+(1*3)=129
129 % 10 = 9
So 28452-93-9 is a valid CAS Registry Number.