28395-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28395-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,9 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28395-81:
(7*2)+(6*8)+(5*3)+(4*9)+(3*5)+(2*8)+(1*1)=145
145 % 10 = 5
So 28395-81-5 is a valid CAS Registry Number.