439290-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439290-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,2,9 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 439290-92:
(8*4)+(7*3)+(6*9)+(5*2)+(4*9)+(3*0)+(2*9)+(1*2)=173
173 % 10 = 3
So 439290-92-3 is a valid CAS Registry Number.