89426-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89426-77-7 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 89426-77:
(7*8)+(6*9)+(5*4)+(4*2)+(3*6)+(2*7)+(1*7)=177
177 % 10 = 7
So 89426-77-7 is a valid CAS Registry Number.