89493-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89493-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,9 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89493-04:
(7*8)+(6*9)+(5*4)+(4*9)+(3*3)+(2*0)+(1*4)=179
179 % 10 = 9
So 89493-04-9 is a valid CAS Registry Number.