14723-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14723-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,7,2 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 14723-91:
(7*1)+(6*4)+(5*7)+(4*2)+(3*3)+(2*9)+(1*1)=102
102 % 10 = 2
So 14723-91-2 is a valid CAS Registry Number.