20466-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20466-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,6 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20466-53:
(7*2)+(6*0)+(5*4)+(4*6)+(3*6)+(2*5)+(1*3)=89
89 % 10 = 9
So 20466-53-9 is a valid CAS Registry Number.