118817-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118817-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,1 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 118817-07:
(8*1)+(7*1)+(6*8)+(5*8)+(4*1)+(3*7)+(2*0)+(1*7)=135
135 % 10 = 5
So 118817-07-5 is a valid CAS Registry Number.