85409-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85409-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,0 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 85409-17:
(7*8)+(6*5)+(5*4)+(4*0)+(3*9)+(2*1)+(1*7)=142
142 % 10 = 2
So 85409-17-2 is a valid CAS Registry Number.