72157-14-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72157-14-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72157-14:
(7*7)+(6*2)+(5*1)+(4*5)+(3*7)+(2*1)+(1*4)=113
113 % 10 = 3
So 72157-14-3 is a valid CAS Registry Number.