72047-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72047-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,4 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72047-61:
(7*7)+(6*2)+(5*0)+(4*4)+(3*7)+(2*6)+(1*1)=111
111 % 10 = 1
So 72047-61-1 is a valid CAS Registry Number.