14191-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14191-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,1,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 14191-72:
(7*1)+(6*4)+(5*1)+(4*9)+(3*1)+(2*7)+(1*2)=91
91 % 10 = 1
So 14191-72-1 is a valid CAS Registry Number.