40453-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40453-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,5 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 40453-86:
(7*4)+(6*0)+(5*4)+(4*5)+(3*3)+(2*8)+(1*6)=99
99 % 10 = 9
So 40453-86-9 is a valid CAS Registry Number.