439090-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439090-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,0,9 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 439090-10:
(8*4)+(7*3)+(6*9)+(5*0)+(4*9)+(3*0)+(2*1)+(1*0)=145
145 % 10 = 5
So 439090-10-5 is a valid CAS Registry Number.