518318-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 518318-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,8,3,1 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 518318-43:
(8*5)+(7*1)+(6*8)+(5*3)+(4*1)+(3*8)+(2*4)+(1*3)=149
149 % 10 = 9
So 518318-43-9 is a valid CAS Registry Number.