20053-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20053-44-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,5 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20053-44:
(7*2)+(6*0)+(5*0)+(4*5)+(3*3)+(2*4)+(1*4)=55
55 % 10 = 5
So 20053-44-5 is a valid CAS Registry Number.