439085-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439085-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,0,8 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 439085-77:
(8*4)+(7*3)+(6*9)+(5*0)+(4*8)+(3*5)+(2*7)+(1*7)=175
175 % 10 = 5
So 439085-77-5 is a valid CAS Registry Number.