408539-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 408539-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,5,3 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 408539-90:
(8*4)+(7*0)+(6*8)+(5*5)+(4*3)+(3*9)+(2*9)+(1*0)=162
162 % 10 = 2
So 408539-90-2 is a valid CAS Registry Number.