139040-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139040-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,4 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139040-43:
(8*1)+(7*3)+(6*9)+(5*0)+(4*4)+(3*0)+(2*4)+(1*3)=110
110 % 10 = 0
So 139040-43-0 is a valid CAS Registry Number.