73724-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73724-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,2 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73724-79:
(7*7)+(6*3)+(5*7)+(4*2)+(3*4)+(2*7)+(1*9)=145
145 % 10 = 5
So 73724-79-5 is a valid CAS Registry Number.