139118-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139118-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,1 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139118-45:
(8*1)+(7*3)+(6*9)+(5*1)+(4*1)+(3*8)+(2*4)+(1*5)=129
129 % 10 = 9
So 139118-45-9 is a valid CAS Registry Number.