89426-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89426-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,2 and 6 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89426-79:
(7*8)+(6*9)+(5*4)+(4*2)+(3*6)+(2*7)+(1*9)=179
179 % 10 = 9
So 89426-79-9 is a valid CAS Registry Number.