72405-08-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72405-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,0 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72405-08:
(7*7)+(6*2)+(5*4)+(4*0)+(3*5)+(2*0)+(1*8)=104
104 % 10 = 4
So 72405-08-4 is a valid CAS Registry Number.