73403-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73403-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,0 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73403-44:
(7*7)+(6*3)+(5*4)+(4*0)+(3*3)+(2*4)+(1*4)=108
108 % 10 = 8
So 73403-44-8 is a valid CAS Registry Number.