20044-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20044-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,4 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20044-16:
(7*2)+(6*0)+(5*0)+(4*4)+(3*4)+(2*1)+(1*6)=50
50 % 10 = 0
So 20044-16-0 is a valid CAS Registry Number.