408340-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 408340-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,3,4 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 408340-58:
(8*4)+(7*0)+(6*8)+(5*3)+(4*4)+(3*0)+(2*5)+(1*8)=129
129 % 10 = 9
So 408340-58-9 is a valid CAS Registry Number.