28359-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28359-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,5 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28359-68:
(7*2)+(6*8)+(5*3)+(4*5)+(3*9)+(2*6)+(1*8)=144
144 % 10 = 4
So 28359-68-4 is a valid CAS Registry Number.