73404-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73404-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,0 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73404-98:
(7*7)+(6*3)+(5*4)+(4*0)+(3*4)+(2*9)+(1*8)=125
125 % 10 = 5
So 73404-98-5 is a valid CAS Registry Number.