20366-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20366-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,6 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20366-45:
(7*2)+(6*0)+(5*3)+(4*6)+(3*6)+(2*4)+(1*5)=84
84 % 10 = 4
So 20366-45-4 is a valid CAS Registry Number.