6453-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6453-40-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,5 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6453-40:
(6*6)+(5*4)+(4*5)+(3*3)+(2*4)+(1*0)=93
93 % 10 = 3
So 6453-40-3 is a valid CAS Registry Number.