724741-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 724741-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,4,7,4 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 724741-80:
(8*7)+(7*2)+(6*4)+(5*7)+(4*4)+(3*1)+(2*8)+(1*0)=164
164 % 10 = 4
So 724741-80-4 is a valid CAS Registry Number.