28548-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28548-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,4 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28548-10:
(7*2)+(6*8)+(5*5)+(4*4)+(3*8)+(2*1)+(1*0)=129
129 % 10 = 9
So 28548-10-9 is a valid CAS Registry Number.