20473-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20473-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,7 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20473-73:
(7*2)+(6*0)+(5*4)+(4*7)+(3*3)+(2*7)+(1*3)=88
88 % 10 = 8
So 20473-73-8 is a valid CAS Registry Number.