89128-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89128-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,2 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89128-75:
(7*8)+(6*9)+(5*1)+(4*2)+(3*8)+(2*7)+(1*5)=166
166 % 10 = 6
So 89128-75-6 is a valid CAS Registry Number.