408517-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 408517-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,5,1 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 408517-55:
(8*4)+(7*0)+(6*8)+(5*5)+(4*1)+(3*7)+(2*5)+(1*5)=145
145 % 10 = 5
So 408517-55-5 is a valid CAS Registry Number.