89509-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89509-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,0 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89509-76:
(7*8)+(6*9)+(5*5)+(4*0)+(3*9)+(2*7)+(1*6)=182
182 % 10 = 2
So 89509-76-2 is a valid CAS Registry Number.