18114-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18114-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,1 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18114-91:
(7*1)+(6*8)+(5*1)+(4*1)+(3*4)+(2*9)+(1*1)=95
95 % 10 = 5
So 18114-91-5 is a valid CAS Registry Number.