724739-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 724739-97-3 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, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 724739-97:
(8*7)+(7*2)+(6*4)+(5*7)+(4*3)+(3*9)+(2*9)+(1*7)=193
193 % 10 = 3
So 724739-97-3 is a valid CAS Registry Number.