73424-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73424-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,2 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73424-94:
(7*7)+(6*3)+(5*4)+(4*2)+(3*4)+(2*9)+(1*4)=129
129 % 10 = 9
So 73424-94-9 is a valid CAS Registry Number.