408507-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 408507-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,5,0 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 408507-11:
(8*4)+(7*0)+(6*8)+(5*5)+(4*0)+(3*7)+(2*1)+(1*1)=129
129 % 10 = 9
So 408507-11-9 is a valid CAS Registry Number.