73354-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73354-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,3,5 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73354-71:
(7*7)+(6*3)+(5*3)+(4*5)+(3*4)+(2*7)+(1*1)=129
129 % 10 = 9
So 73354-71-9 is a valid CAS Registry Number.