118182-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118182-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,1,8 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118182-91:
(8*1)+(7*1)+(6*8)+(5*1)+(4*8)+(3*2)+(2*9)+(1*1)=125
125 % 10 = 5
So 118182-91-5 is a valid CAS Registry Number.