14304-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14304-91-7 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 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 14304-91:
(7*1)+(6*4)+(5*3)+(4*0)+(3*4)+(2*9)+(1*1)=77
77 % 10 = 7
So 14304-91-7 is a valid CAS Registry Number.