52420-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52420-73-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,4,2 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52420-73:
(7*5)+(6*2)+(5*4)+(4*2)+(3*0)+(2*7)+(1*3)=92
92 % 10 = 2
So 52420-73-2 is a valid CAS Registry Number.