859920-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859920-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,2 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 859920-73:
(8*8)+(7*5)+(6*9)+(5*9)+(4*2)+(3*0)+(2*7)+(1*3)=223
223 % 10 = 3
So 859920-73-3 is a valid CAS Registry Number.