14307-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14307-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,3,0 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 14307-81:
(7*1)+(6*4)+(5*3)+(4*0)+(3*7)+(2*8)+(1*1)=84
84 % 10 = 4
So 14307-81-4 is a valid CAS Registry Number.