89408-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89408-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,0 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89408-93:
(7*8)+(6*9)+(5*4)+(4*0)+(3*8)+(2*9)+(1*3)=175
175 % 10 = 5
So 89408-93-5 is a valid CAS Registry Number.