53546-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53546-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,5,4 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53546-73:
(7*5)+(6*3)+(5*5)+(4*4)+(3*6)+(2*7)+(1*3)=129
129 % 10 = 9
So 53546-73-9 is a valid CAS Registry Number.