73493-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73493-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,9 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73493-71:
(7*7)+(6*3)+(5*4)+(4*9)+(3*3)+(2*7)+(1*1)=147
147 % 10 = 7
So 73493-71-7 is a valid CAS Registry Number.