72143-25-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72143-25-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,4 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72143-25:
(7*7)+(6*2)+(5*1)+(4*4)+(3*3)+(2*2)+(1*5)=100
100 % 10 = 0
So 72143-25-0 is a valid CAS Registry Number.