56118-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56118-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,1 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56118-05:
(7*5)+(6*6)+(5*1)+(4*1)+(3*8)+(2*0)+(1*5)=109
109 % 10 = 9
So 56118-05-9 is a valid CAS Registry Number.