724432-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 724432-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,4,4,3 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 724432-25:
(8*7)+(7*2)+(6*4)+(5*4)+(4*3)+(3*2)+(2*2)+(1*5)=141
141 % 10 = 1
So 724432-25-1 is a valid CAS Registry Number.