39118-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39118-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,1 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 39118-99:
(7*3)+(6*9)+(5*1)+(4*1)+(3*8)+(2*9)+(1*9)=135
135 % 10 = 5
So 39118-99-5 is a valid CAS Registry Number.