73224-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73224-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,2 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73224-97:
(7*7)+(6*3)+(5*2)+(4*2)+(3*4)+(2*9)+(1*7)=122
122 % 10 = 2
So 73224-97-2 is a valid CAS Registry Number.