73041-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73041-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,4 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73041-53:
(7*7)+(6*3)+(5*0)+(4*4)+(3*1)+(2*5)+(1*3)=99
99 % 10 = 9
So 73041-53-9 is a valid CAS Registry Number.