52105-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52105-73-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,0 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52105-73:
(7*5)+(6*2)+(5*1)+(4*0)+(3*5)+(2*7)+(1*3)=84
84 % 10 = 4
So 52105-73-4 is a valid CAS Registry Number.