724739-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 724739-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,4,7,3 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 724739-19:
(8*7)+(7*2)+(6*4)+(5*7)+(4*3)+(3*9)+(2*1)+(1*9)=179
179 % 10 = 9
So 724739-19-9 is a valid CAS Registry Number.