118997-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118997-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,9,9 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 118997-96:
(8*1)+(7*1)+(6*8)+(5*9)+(4*9)+(3*7)+(2*9)+(1*6)=189
189 % 10 = 9
So 118997-96-9 is a valid CAS Registry Number.