54114-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54114-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,1 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54114-67:
(7*5)+(6*4)+(5*1)+(4*1)+(3*4)+(2*6)+(1*7)=99
99 % 10 = 9
So 54114-67-9 is a valid CAS Registry Number.